20307940

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1093}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 42731640

約数和(自身を除く): 22423700

約数列:

[1, 2, 4, 5, 10, 20, 929, 1093, 1858, 2186, 3716, 4372, 4645, 5465, 9290, 10930, 18580, 21860, 1015397, 2030794, 4061588, 5076985, 10153970, 20307940]

約数ペア:

[(1, 20307940), (2, 10153970), (4, 5076985), (5, 4061588), (10, 2030794), (20, 1015397), (929, 21860), (1093, 18580), (1858, 10930), (2186, 9290), (3716, 5465), (4372, 4645)]