20808320504

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15957301}}^1$

素因数の和:15957470

約数の個数: 16

約数和(自身を含む): 39254962920

約数和(自身を除く): 18446642416

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15957301, 31914602, 63829204, 127658408, 2601040063, 5202080126, 10404160252, 20808320504]

約数ペア:

[(1, 20808320504), (2, 10404160252), (4, 5202080126), (8, 2601040063), (163, 127658408), (326, 63829204), (652, 31914602), (1304, 15957301)]