20529100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7079}}^1$

素因数の和:7122

約数の個数: 36

約数和(自身を含む): 46090800

約数和(自身を除く): 25561700

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7079, 14158, 28316, 35395, 70790, 141580, 176975, 205291, 353950, 410582, 707900, 821164, 1026455, 2052910, 4105820, 5132275, 10264550, 20529100]

約数ペア:

[(1, 20529100), (2, 10264550), (4, 5132275), (5, 4105820), (10, 2052910), (20, 1026455), (25, 821164), (29, 707900), (50, 410582), (58, 353950), (100, 205291), (116, 176975), (145, 141580), (290, 70790), (580, 35395), (725, 28316), (1450, 14158), (2900, 7079)]