20228670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48718530

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 49, 54, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 126, 135, 139, 147, 154, 165, 189, 198, 210, 231, 245, 270, 278, 294, 297, 315, 330, 378, 385, 417, 441, 462, 490, 495, 539, 594, 630, 693, 695, 735, 770, 834, 882, 945, 973, 990, 1078, 1155, 1251, 1323, 1386, 1390, 1470, 1485, 1529, 1617, 1890, 1946, 2079, 2085, 2205, 2310, 2502, 2646, 2695, 2919, 2970, 3058, 3234, 3465, 3753, 4158, 4170, 4410, 4587, 4851, 4865, 5390, 5838, 6255, 6615, 6811, 6930, 7506, 7645, 8085, 8757, 9174, 9702, 9730, 10395, 10703, 12510, 13230, 13622, 13761, 14553, 14595, 15290, 16170, 17514, 18765, 20433, 20790, 21406, 22935, 24255, 26271, 27522, 29106, 29190, 32109, 34055, 37530, 40866, 41283, 43785, 45870, 48510, 52542, 53515, 61299, 64218, 68110, 68805, 72765, 74921, 82566, 87570, 96327, 102165, 107030, 122598, 131355, 137610, 145530, 149842, 160545, 183897, 192654, 204330, 206415, 224763, 262710, 288981, 306495, 321090, 367794, 374605, 412830, 449526, 481635, 577962, 612990, 674289, 749210, 919485, 963270, 1123815, 1348578, 1444905, 1838970, 2022867, 2247630, 2889810, 3371445, 4045734, 6742890, 10114335, 20228670]

約数ペア:

[(1, 20228670), (2, 10114335), (3, 6742890), (5, 4045734), (6, 3371445), (7, 2889810), (9, 2247630), (10, 2022867), (11, 1838970), (14, 1444905), (15, 1348578), (18, 1123815), (21, 963270), (22, 919485), (27, 749210), (30, 674289), (33, 612990), (35, 577962), (42, 481635), (45, 449526), (49, 412830), (54, 374605), (55, 367794), (63, 321090), (66, 306495), (70, 288981), (77, 262710), (90, 224763), (98, 206415), (99, 204330), (105, 192654), (110, 183897), (126, 160545), (135, 149842), (139, 145530), (147, 137610), (154, 131355), (165, 122598), (189, 107030), (198, 102165), (210, 96327), (231, 87570), (245, 82566), (270, 74921), (278, 72765), (294, 68805), (297, 68110), (315, 64218), (330, 61299), (378, 53515), (385, 52542), (417, 48510), (441, 45870), (462, 43785), (490, 41283), (495, 40866), (539, 37530), (594, 34055), (630, 32109), (693, 29190), (695, 29106), (735, 27522), (770, 26271), (834, 24255), (882, 22935), (945, 21406), (973, 20790), (990, 20433), (1078, 18765), (1155, 17514), (1251, 16170), (1323, 15290), (1386, 14595), (1390, 14553), (1470, 13761), (1485, 13622), (1529, 13230), (1617, 12510), (1890, 10703), (1946, 10395), (2079, 9730), (2085, 9702), (2205, 9174), (2310, 8757), (2502, 8085), (2646, 7645), (2695, 7506), (2919, 6930), (2970, 6811), (3058, 6615), (3234, 6255), (3465, 5838), (3753, 5390), (4158, 4865), (4170, 4851), (4410, 4587)]