20793480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{719}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 41932920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 719, 723, 964, 1205, 1438, 1446, 1928, 2157, 2410, 2876, 2892, 3595, 3615, 4314, 4820, 5752, 5784, 7190, 7230, 8628, 9640, 10785, 14380, 14460, 17256, 21570, 28760, 28920, 43140, 86280, 173279, 346558, 519837, 693116, 866395, 1039674, 1386232, 1732790, 2079348, 2599185, 3465580, 4158696, 5198370, 6931160, 10396740, 20793480]

約数ペア:

[(1, 20793480), (2, 10396740), (3, 6931160), (4, 5198370), (5, 4158696), (6, 3465580), (8, 2599185), (10, 2079348), (12, 1732790), (15, 1386232), (20, 1039674), (24, 866395), (30, 693116), (40, 519837), (60, 346558), (120, 173279), (241, 86280), (482, 43140), (719, 28920), (723, 28760), (964, 21570), (1205, 17256), (1438, 14460), (1446, 14380), (1928, 10785), (2157, 9640), (2410, 8628), (2876, 7230), (2892, 7190), (3595, 5784), (3615, 5752), (4314, 4820)]