20685834

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 50265600

約数和(自身を除く): 29579766

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 79, 117, 158, 234, 237, 351, 373, 474, 702, 711, 746, 1027, 1119, 1422, 2054, 2133, 2238, 3081, 3357, 4266, 4849, 6162, 6714, 9243, 9698, 10071, 14547, 18486, 20142, 27729, 29094, 29467, 43641, 55458, 58934, 87282, 88401, 130923, 176802, 261846, 265203, 383071, 530406, 766142, 795609, 1149213, 1591218, 2298426, 3447639, 6895278, 10342917, 20685834]

約数ペア:

[(1, 20685834), (2, 10342917), (3, 6895278), (6, 3447639), (9, 2298426), (13, 1591218), (18, 1149213), (26, 795609), (27, 766142), (39, 530406), (54, 383071), (78, 265203), (79, 261846), (117, 176802), (158, 130923), (234, 88401), (237, 87282), (351, 58934), (373, 55458), (474, 43641), (702, 29467), (711, 29094), (746, 27729), (1027, 20142), (1119, 18486), (1422, 14547), (2054, 10071), (2133, 9698), (2238, 9243), (3081, 6714), (3357, 6162), (4266, 4849)]