20504692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1571}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 38822112

約数和(自身を除く): 18317420

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 1571, 3142, 3263, 6284, 6526, 13052, 20423, 40846, 81692, 394321, 788642, 1577284, 5126173, 10252346, 20504692]

約数ペア:

[(1, 20504692), (2, 10252346), (4, 5126173), (13, 1577284), (26, 788642), (52, 394321), (251, 81692), (502, 40846), (1004, 20423), (1571, 13052), (3142, 6526), (3263, 6284)]