20161494550

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13904479}}^1$

素因数の和:13904520

約数の個数: 24

約数和(自身を含む): 38793499200

約数和(自身を除く): 18632004650

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13904479, 27808958, 69522395, 139044790, 347611975, 403229891, 695223950, 806459782, 2016149455, 4032298910, 10080747275, 20161494550]

約数ペア:

[(1, 20161494550), (2, 10080747275), (5, 4032298910), (10, 2016149455), (25, 806459782), (29, 695223950), (50, 403229891), (58, 347611975), (145, 139044790), (290, 69522395), (725, 27808958), (1450, 13904479)]