20717339975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1637}}^1\times {\mathrm{12347}}^1$

素因数の和:14035

約数の個数: 24

約数和(自身を含む): 26334283248

約数和(自身を除く): 5616943273

約数列:

[1, 5, 25, 41, 205, 1025, 1637, 8185, 12347, 40925, 61735, 67117, 308675, 335585, 506227, 1677925, 2531135, 12655675, 20212039, 101060195, 505300975, 828693599, 4143467995, 20717339975]

約数ペア:

[(1, 20717339975), (5, 4143467995), (25, 828693599), (41, 505300975), (205, 101060195), (1025, 20212039), (1637, 12655675), (8185, 2531135), (12347, 1677925), (40925, 506227), (61735, 335585), (67117, 308675)]