20787029110

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50700071}}^1$

素因数の和:50700119

約数の個数: 16

約数和(自身を含む): 38329254432

約数和(自身を除く): 17542225322

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 50700071, 101400142, 253500355, 507000710, 2078702911, 4157405822, 10393514555, 20787029110]

約数ペア:

[(1, 20787029110), (2, 10393514555), (5, 4157405822), (10, 2078702911), (41, 507000710), (82, 253500355), (205, 101400142), (410, 50700071)]