20307680

素因数分解:

$2^5\times 5^1\times {\mathrm{126923}}^1$

素因数の和:126938

約数の個数: 24

約数和(自身を含む): 47977272

約数和(自身を除く): 27669592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126923, 253846, 507692, 634615, 1015384, 1269230, 2030768, 2538460, 4061536, 5076920, 10153840, 20307680]

約数ペア:

[(1, 20307680), (2, 10153840), (4, 5076920), (5, 4061536), (8, 2538460), (10, 2030768), (16, 1269230), (20, 1015384), (32, 634615), (40, 507692), (80, 253846), (160, 126923)]