20956801425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 288

約数和(自身を含む): 45342633600

約数和(自身を除く): 24385832175

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 29, 35, 43, 49, 51, 75, 85, 87, 105, 119, 129, 145, 147, 175, 203, 215, 245, 255, 269, 301, 357, 425, 435, 493, 525, 595, 609, 645, 725, 731, 735, 807, 833, 903, 1015, 1075, 1225, 1247, 1275, 1345, 1421, 1479, 1505, 1785, 1883, 2107, 2175, 2193, 2465, 2499, 2975, 3045, 3225, 3451, 3655, 3675, 3741, 4035, 4165, 4263, 4515, 4573, 5075, 5117, 5649, 6235, 6321, 6725, 7105, 7395, 7525, 7801, 8729, 8925, 9415, 10353, 10535, 10965, 11567, 12325, 12495, 13181, 13719, 15225, 15351, 17255, 18275, 18705, 20175, 20825, 21199, 21315, 22575, 22865, 23403, 24157, 25585, 26187, 28245, 31175, 31605, 32011, 34701, 35525, 35819, 36975, 39005, 39543, 43645, 47075, 51765, 52675, 54607, 54825, 57835, 61103, 62475, 63597, 65905, 68595, 72471, 76755, 80969, 86275, 93525, 96033, 105995, 106575, 107457, 114325, 117015, 120785, 127925, 130935, 132617, 141225, 148393, 158025, 160055, 163821, 173505, 179095, 183309, 195025, 196639, 197715, 218225, 224077, 242907, 258825, 273035, 289175, 305515, 317985, 329525, 335443, 342975, 362355, 382249, 383775, 397851, 404845, 445179, 480165, 529975, 537285, 566783, 585075, 589917, 603925, 654675, 663085, 672231, 741965, 800275, 819105, 867525, 895475, 916545, 928319, 983195, 988575, 1006329, 1038751, 1120385, 1146747, 1214535, 1365175, 1376473, 1527575, 1589925, 1677215, 1700349, 1811775, 1911245, 1989255, 2024225, 2225895, 2348101, 2400825, 2686425, 2784957, 2833915, 2949585, 3116253, 3315425, 3361155, 3709825, 4095525, 4129419, 4582725, 4641595, 4915975, 5031645, 5193755, 5601925, 5702531, 5733735, 6072675, 6498233, 6882365, 7044303, 8386075, 8501745, 9556225, 9635311, 9946275, 11129475, 11740505, 13924785, 14169575, 14747925, 15581265, 16436707, 16805775, 17107593, 19494699, 20647095, 23207975, 25158225, 25968775, 28512655, 28668675, 28905933, 32491165, 34411825, 35221515, 39917717, 42508725, 48176555, 49310121, 58702525, 69623925, 77906325, 82183535, 85537965, 97473495, 103235475, 119753151, 142563275, 144529665, 162455825, 176107575, 199588585, 240882775, 246550605, 279424019, 410917675, 427689825, 487367475, 598765755, 722648325, 838272057, 997942925, 1232753025, 1397120095, 2993828775, 4191360285, 6985600475, 20956801425]

約数ペア:

[(1, 20956801425), (3, 6985600475), (5, 4191360285), (7, 2993828775), (15, 1397120095), (17, 1232753025), (21, 997942925), (25, 838272057), (29, 722648325), (35, 598765755), (43, 487367475), (49, 427689825), (51, 410917675), (75, 279424019), (85, 246550605), (87, 240882775), (105, 199588585), (119, 176107575), (129, 162455825), (145, 144529665), (147, 142563275), (175, 119753151), (203, 103235475), (215, 97473495), (245, 85537965), (255, 82183535), (269, 77906325), (301, 69623925), (357, 58702525), (425, 49310121), (435, 48176555), (493, 42508725), (525, 39917717), (595, 35221515), (609, 34411825), (645, 32491165), (725, 28905933), (731, 28668675), (735, 28512655), (807, 25968775), (833, 25158225), (903, 23207975), (1015, 20647095), (1075, 19494699), (1225, 17107593), (1247, 16805775), (1275, 16436707), (1345, 15581265), (1421, 14747925), (1479, 14169575), (1505, 13924785), (1785, 11740505), (1883, 11129475), (2107, 9946275), (2175, 9635311), (2193, 9556225), (2465, 8501745), (2499, 8386075), (2975, 7044303), (3045, 6882365), (3225, 6498233), (3451, 6072675), (3655, 5733735), (3675, 5702531), (3741, 5601925), (4035, 5193755), (4165, 5031645), (4263, 4915975), (4515, 4641595), (4573, 4582725), (5075, 4129419), (5117, 4095525), (5649, 3709825), (6235, 3361155), (6321, 3315425), (6725, 3116253), (7105, 2949585), (7395, 2833915), (7525, 2784957), (7801, 2686425), (8729, 2400825), (8925, 2348101), (9415, 2225895), (10353, 2024225), (10535, 1989255), (10965, 1911245), (11567, 1811775), (12325, 1700349), (12495, 1677215), (13181, 1589925), (13719, 1527575), (15225, 1376473), (15351, 1365175), (17255, 1214535), (18275, 1146747), (18705, 1120385), (20175, 1038751), (20825, 1006329), (21199, 988575), (21315, 983195), (22575, 928319), (22865, 916545), (23403, 895475), (24157, 867525), (25585, 819105), (26187, 800275), (28245, 741965), (31175, 672231), (31605, 663085), (32011, 654675), (34701, 603925), (35525, 589917), (35819, 585075), (36975, 566783), (39005, 537285), (39543, 529975), (43645, 480165), (47075, 445179), (51765, 404845), (52675, 397851), (54607, 383775), (54825, 382249), (57835, 362355), (61103, 342975), (62475, 335443), (63597, 329525), (65905, 317985), (68595, 305515), (72471, 289175), (76755, 273035), (80969, 258825), (86275, 242907), (93525, 224077), (96033, 218225), (105995, 197715), (106575, 196639), (107457, 195025), (114325, 183309), (117015, 179095), (120785, 173505), (127925, 163821), (130935, 160055), (132617, 158025), (141225, 148393)]