20348021840

素因数分解:

$2^4\times 5^1\times {\mathrm{254350273}}^1$

素因数の和:254350286

約数の個数: 20

約数和(自身を含む): 47309150964

約数和(自身を除く): 26961129124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 254350273, 508700546, 1017401092, 1271751365, 2034802184, 2543502730, 4069604368, 5087005460, 10174010920, 20348021840]

約数ペア:

[(1, 20348021840), (2, 10174010920), (4, 5087005460), (5, 4069604368), (8, 2543502730), (10, 2034802184), (16, 1271751365), (20, 1017401092), (40, 508700546), (80, 254350273)]