20315412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 56076384

約数和(自身を除く): 35760972

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 523, 747, 996, 1046, 1079, 1494, 1569, 2092, 2158, 2988, 3138, 3237, 4316, 4707, 6276, 6474, 6799, 9414, 9711, 12948, 13598, 18828, 19422, 20397, 27196, 38844, 40794, 43409, 61191, 81588, 86818, 122382, 130227, 173636, 244764, 260454, 390681, 520908, 564317, 781362, 1128634, 1562724, 1692951, 2257268, 3385902, 5078853, 6771804, 10157706, 20315412]

約数ペア:

[(1, 20315412), (2, 10157706), (3, 6771804), (4, 5078853), (6, 3385902), (9, 2257268), (12, 1692951), (13, 1562724), (18, 1128634), (26, 781362), (36, 564317), (39, 520908), (52, 390681), (78, 260454), (83, 244764), (117, 173636), (156, 130227), (166, 122382), (234, 86818), (249, 81588), (332, 61191), (468, 43409), (498, 40794), (523, 38844), (747, 27196), (996, 20397), (1046, 19422), (1079, 18828), (1494, 13598), (1569, 12948), (2092, 9711), (2158, 9414), (2988, 6799), (3138, 6474), (3237, 6276), (4316, 4707)]