20450570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1483}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 42311808

約数和(自身を除く): 21861238

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1483, 1970, 2758, 2966, 6895, 7415, 10381, 13790, 14830, 20762, 51905, 103810, 292151, 584302, 1460755, 2045057, 2921510, 4090114, 10225285, 20450570]

約数ペア:

[(1, 20450570), (2, 10225285), (5, 4090114), (7, 2921510), (10, 2045057), (14, 1460755), (35, 584302), (70, 292151), (197, 103810), (394, 51905), (985, 20762), (1379, 14830), (1483, 13790), (1970, 10381), (2758, 7415), (2966, 6895)]