20131087870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{881}}^1\times {\mathrm{99349}}^1$

素因数の和:100260

約数の個数: 32

約数和(自身を含む): 37854734400

約数和(自身を除く): 17723646530

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 881, 1762, 4405, 8810, 20263, 40526, 99349, 101315, 198698, 202630, 496745, 993490, 2285027, 4570054, 11425135, 22850270, 87526469, 175052938, 437632345, 875264690, 2013108787, 4026217574, 10065543935, 20131087870]

約数ペア:

[(1, 20131087870), (2, 10065543935), (5, 4026217574), (10, 2013108787), (23, 875264690), (46, 437632345), (115, 175052938), (230, 87526469), (881, 22850270), (1762, 11425135), (4405, 4570054), (8810, 2285027), (20263, 993490), (40526, 496745), (99349, 202630), (101315, 198698)]