20165786325

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 42897254400

約数和(自身を除く): 22731468075

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 43, 45, 51, 57, 75, 81, 85, 95, 129, 135, 153, 171, 215, 225, 239, 243, 255, 285, 323, 387, 405, 425, 459, 475, 513, 645, 675, 717, 731, 765, 817, 855, 969, 1075, 1161, 1195, 1215, 1275, 1377, 1425, 1539, 1615, 1935, 2025, 2151, 2193, 2295, 2451, 2565, 2907, 3225, 3483, 3585, 3655, 3825, 4063, 4085, 4131, 4275, 4541, 4617, 4845, 5805, 5975, 6075, 6453, 6579, 6885, 7353, 7695, 8075, 8721, 9675, 10277, 10449, 10755, 10965, 11475, 12189, 12255, 12825, 13623, 13889, 14535, 17415, 17925, 18275, 19359, 19737, 20315, 20425, 20655, 22059, 22705, 23085, 24225, 26163, 29025, 30831, 32265, 32895, 34425, 36567, 36765, 38475, 40869, 41667, 43605, 51385, 52245, 53775, 54825, 58077, 59211, 60945, 61275, 66177, 68115, 69445, 72675, 77197, 78489, 87075, 92493, 96795, 98685, 101575, 103275, 109701, 110295, 113525, 115425, 122607, 125001, 130815, 154155, 161325, 164475, 174709, 177633, 182835, 183825, 195263, 198531, 204345, 208335, 218025, 231591, 256925, 261225, 277479, 290385, 296055, 304725, 329103, 330885, 340575, 347225, 367821, 375003, 385985, 392445, 462465, 483975, 493425, 524127, 548505, 551475, 585789, 613035, 625005, 654075, 694773, 770775, 832437, 873545, 888165, 914175, 976315, 987309, 992655, 1021725, 1041675, 1103463, 1125009, 1157955, 1387395, 1451925, 1480275, 1572381, 1645515, 1654425, 1757367, 1839105, 1875015, 1929925, 1962225, 2084319, 2312325, 2497311, 2620635, 2742525, 2928945, 3065175, 3125025, 3319471, 3375027, 3473865, 4162185, 4367725, 4440825, 4717143, 4881575, 4936545, 4963275, 5272101, 5517315, 5625045, 5789775, 6252957, 6936975, 7861905, 8227575, 8786835, 9195525, 9375075, 9958413, 10421595, 12486555, 13103175, 14151429, 14644725, 15816303, 16597355, 16875135, 17369325, 18758871, 20810925, 23585715, 24682725, 26360505, 27586575, 28125225, 29875239, 31264785, 39309525, 42454287, 43934175, 47448909, 49792065, 52107975, 62432775, 70757145, 79081515, 82986775, 84375675, 89625717, 93794355, 117928575, 131802525, 149376195, 156323925, 212271435, 237244545, 248960325, 268877151, 353785725, 395407575, 448128585, 468971775, 746880975, 806631453, 1061357175, 1186222725, 1344385755, 2240642925, 4033157265, 6721928775, 20165786325]

約数ペア:

[(1, 20165786325), (3, 6721928775), (5, 4033157265), (9, 2240642925), (15, 1344385755), (17, 1186222725), (19, 1061357175), (25, 806631453), (27, 746880975), (43, 468971775), (45, 448128585), (51, 395407575), (57, 353785725), (75, 268877151), (81, 248960325), (85, 237244545), (95, 212271435), (129, 156323925), (135, 149376195), (153, 131802525), (171, 117928575), (215, 93794355), (225, 89625717), (239, 84375675), (243, 82986775), (255, 79081515), (285, 70757145), (323, 62432775), (387, 52107975), (405, 49792065), (425, 47448909), (459, 43934175), (475, 42454287), (513, 39309525), (645, 31264785), (675, 29875239), (717, 28125225), (731, 27586575), (765, 26360505), (817, 24682725), (855, 23585715), (969, 20810925), (1075, 18758871), (1161, 17369325), (1195, 16875135), (1215, 16597355), (1275, 15816303), (1377, 14644725), (1425, 14151429), (1539, 13103175), (1615, 12486555), (1935, 10421595), (2025, 9958413), (2151, 9375075), (2193, 9195525), (2295, 8786835), (2451, 8227575), (2565, 7861905), (2907, 6936975), (3225, 6252957), (3483, 5789775), (3585, 5625045), (3655, 5517315), (3825, 5272101), (4063, 4963275), (4085, 4936545), (4131, 4881575), (4275, 4717143), (4541, 4440825), (4617, 4367725), (4845, 4162185), (5805, 3473865), (5975, 3375027), (6075, 3319471), (6453, 3125025), (6579, 3065175), (6885, 2928945), (7353, 2742525), (7695, 2620635), (8075, 2497311), (8721, 2312325), (9675, 2084319), (10277, 1962225), (10449, 1929925), (10755, 1875015), (10965, 1839105), (11475, 1757367), (12189, 1654425), (12255, 1645515), (12825, 1572381), (13623, 1480275), (13889, 1451925), (14535, 1387395), (17415, 1157955), (17925, 1125009), (18275, 1103463), (19359, 1041675), (19737, 1021725), (20315, 992655), (20425, 987309), (20655, 976315), (22059, 914175), (22705, 888165), (23085, 873545), (24225, 832437), (26163, 770775), (29025, 694773), (30831, 654075), (32265, 625005), (32895, 613035), (34425, 585789), (36567, 551475), (36765, 548505), (38475, 524127), (40869, 493425), (41667, 483975), (43605, 462465), (51385, 392445), (52245, 385985), (53775, 375003), (54825, 367821), (58077, 347225), (59211, 340575), (60945, 330885), (61275, 329103), (66177, 304725), (68115, 296055), (69445, 290385), (72675, 277479), (77197, 261225), (78489, 256925), (87075, 231591), (92493, 218025), (96795, 208335), (98685, 204345), (101575, 198531), (103275, 195263), (109701, 183825), (110295, 182835), (113525, 177633), (115425, 174709), (122607, 164475), (125001, 161325), (130815, 154155)]