20662440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{739}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 62337600

約数和(自身を除く): 41675160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 233, 466, 699, 739, 932, 1165, 1398, 1478, 1864, 2217, 2330, 2796, 2956, 3495, 3695, 4434, 4660, 5592, 5912, 6990, 7390, 8868, 9320, 11085, 13980, 14780, 17736, 22170, 27960, 29560, 44340, 88680, 172187, 344374, 516561, 688748, 860935, 1033122, 1377496, 1721870, 2066244, 2582805, 3443740, 4132488, 5165610, 6887480, 10331220, 20662440]

約数ペア:

[(1, 20662440), (2, 10331220), (3, 6887480), (4, 5165610), (5, 4132488), (6, 3443740), (8, 2582805), (10, 2066244), (12, 1721870), (15, 1377496), (20, 1033122), (24, 860935), (30, 688748), (40, 516561), (60, 344374), (120, 172187), (233, 88680), (466, 44340), (699, 29560), (739, 27960), (932, 22170), (1165, 17736), (1398, 14780), (1478, 13980), (1864, 11085), (2217, 9320), (2330, 8868), (2796, 7390), (2956, 6990), (3495, 5912), (3695, 5592), (4434, 4660)]