20092540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77279}}^1$

素因数の和:77301

約数の個数: 24

約数和(自身を含む): 45440640

約数和(自身を除く): 25348100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77279, 154558, 309116, 386395, 772790, 1004627, 1545580, 2009254, 4018508, 5023135, 10046270, 20092540]

約数ペア:

[(1, 20092540), (2, 10046270), (4, 5023135), (5, 4018508), (10, 2009254), (13, 1545580), (20, 1004627), (26, 772790), (52, 386395), (65, 309116), (130, 154558), (260, 77279)]