20173081505

素因数分解:

$5^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1\times {\mathrm{39719}}^1$

素因数の和:40528

約数の個数: 16

約数和(自身を含む): 24400154880

約数和(自身を除く): 4227073375

約数列:

[1, 5, 157, 647, 785, 3235, 39719, 101579, 198595, 507895, 6235883, 25698193, 31179415, 128490965, 4034616301, 20173081505]

約数ペア:

[(1, 20173081505), (5, 4034616301), (157, 128490965), (647, 31179415), (785, 25698193), (3235, 6235883), (39719, 507895), (101579, 198595)]