20682025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9091}}^1$

素因数の和:9121

約数の個数: 24

約数和(自身を含む): 31567424

約数和(自身を除く): 10885399

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 9091, 45455, 63637, 118183, 227275, 318185, 590915, 827281, 1590925, 2954575, 4136405, 20682025]

約数ペア:

[(1, 20682025), (5, 4136405), (7, 2954575), (13, 1590925), (25, 827281), (35, 590915), (65, 318185), (91, 227275), (175, 118183), (325, 63637), (455, 45455), (2275, 9091)]