20147706790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{69474851}}^1$

素因数の和:69474887

約数の個数: 16

約数和(自身を含む): 37516420080

約数和(自身を除く): 17368713290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 69474851, 138949702, 347374255, 694748510, 2014770679, 4029541358, 10073853395, 20147706790]

約数ペア:

[(1, 20147706790), (2, 10073853395), (5, 4029541358), (10, 2014770679), (29, 694748510), (58, 347374255), (145, 138949702), (290, 69474851)]