20196170631

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:970

約数の個数: 144

約数和(自身を含む): 38396606976

約数和(自身を除く): 18200436345

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 83, 91, 117, 133, 171, 247, 249, 273, 361, 399, 581, 741, 747, 819, 823, 1079, 1083, 1197, 1577, 1729, 1743, 2223, 2469, 2527, 3237, 3249, 4693, 4731, 5187, 5229, 5761, 7407, 7553, 7581, 9711, 10699, 11039, 14079, 14193, 15561, 15637, 17283, 20501, 22659, 22743, 29963, 32097, 32851, 33117, 42237, 46911, 51849, 61503, 67977, 68309, 74893, 89889, 96291, 98553, 99351, 109459, 140733, 143507, 184509, 203281, 204927, 209741, 224679, 269667, 295659, 297103, 328377, 389519, 430521, 478163, 609843, 614781, 629223, 674037, 888017, 891309, 985131, 1168557, 1291563, 1297871, 1422967, 1434489, 1829529, 1887669, 2079721, 2664051, 2673927, 2726633, 3505671, 3862339, 3893613, 4268901, 4303467, 6216119, 6239163, 7992153, 8179899, 9085097, 11587017, 11680839, 12806703, 16872323, 18648357, 18717489, 24539697, 24659549, 27036373, 27255291, 34761051, 50616969, 55945071, 73978647, 81109119, 81765873, 118106261, 151850907, 172616843, 221935941, 243327357, 320574137, 354318783, 517850529, 961722411, 1062956349, 1553551587, 2244018959, 2885167233, 6732056877, 20196170631]

約数ペア:

[(1, 20196170631), (3, 6732056877), (7, 2885167233), (9, 2244018959), (13, 1553551587), (19, 1062956349), (21, 961722411), (39, 517850529), (57, 354318783), (63, 320574137), (83, 243327357), (91, 221935941), (117, 172616843), (133, 151850907), (171, 118106261), (247, 81765873), (249, 81109119), (273, 73978647), (361, 55945071), (399, 50616969), (581, 34761051), (741, 27255291), (747, 27036373), (819, 24659549), (823, 24539697), (1079, 18717489), (1083, 18648357), (1197, 16872323), (1577, 12806703), (1729, 11680839), (1743, 11587017), (2223, 9085097), (2469, 8179899), (2527, 7992153), (3237, 6239163), (3249, 6216119), (4693, 4303467), (4731, 4268901), (5187, 3893613), (5229, 3862339), (5761, 3505671), (7407, 2726633), (7553, 2673927), (7581, 2664051), (9711, 2079721), (10699, 1887669), (11039, 1829529), (14079, 1434489), (14193, 1422967), (15561, 1297871), (15637, 1291563), (17283, 1168557), (20501, 985131), (22659, 891309), (22743, 888017), (29963, 674037), (32097, 629223), (32851, 614781), (33117, 609843), (42237, 478163), (46911, 430521), (51849, 389519), (61503, 328377), (67977, 297103), (68309, 295659), (74893, 269667), (89889, 224679), (96291, 209741), (98553, 204927), (99351, 203281), (109459, 184509), (140733, 143507)]