20104490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5419}}^1$

素因数の和:5486

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 22041430

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 5419, 10838, 27095, 37933, 54190, 75866, 189665, 287207, 379330, 574414, 1436035, 2010449, 2872070, 4020898, 10052245, 20104490]

約数ペア:

[(1, 20104490), (2, 10052245), (5, 4020898), (7, 2872070), (10, 2010449), (14, 1436035), (35, 574414), (53, 379330), (70, 287207), (106, 189665), (265, 75866), (371, 54190), (530, 37933), (742, 27095), (1855, 10838), (3710, 5419)]