2013208820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{463873}}^1$

素因数の和:463920

約数の個数: 48

約数和(自身を含む): 4987573248

約数和(自身を除く): 2974364428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 463873, 927746, 1855492, 2319365, 3247111, 4638730, 6494222, 9277460, 12988444, 14380063, 16235555, 28760126, 32471110, 57520252, 64942220, 71900315, 100660441, 143800630, 201320882, 287601260, 402641764, 503302205, 1006604410, 2013208820]

約数ペア:

[(1, 2013208820), (2, 1006604410), (4, 503302205), (5, 402641764), (7, 287601260), (10, 201320882), (14, 143800630), (20, 100660441), (28, 71900315), (31, 64942220), (35, 57520252), (62, 32471110), (70, 28760126), (124, 16235555), (140, 14380063), (155, 12988444), (217, 9277460), (310, 6494222), (434, 4638730), (620, 3247111), (868, 2319365), (1085, 1855492), (2170, 927746), (4340, 463873)]