20121242920

素因数分解:

$2^3\times 5^1\times {\mathrm{503031073}}^1$

素因数の和:503031084

約数の個数: 16

約数和(自身を含む): 45272796660

約数和(自身を除く): 25151553740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503031073, 1006062146, 2012124292, 2515155365, 4024248584, 5030310730, 10060621460, 20121242920]

約数ペア:

[(1, 20121242920), (2, 10060621460), (4, 5030310730), (5, 4024248584), (8, 2515155365), (10, 2012124292), (20, 1006062146), (40, 503031073)]