74177020

素因数分解:

$2^2\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{1951}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 155933568

約数和(自身を除く): 81756548

約数列:

[1, 2, 4, 5, 10, 20, 1901, 1951, 3802, 3902, 7604, 7804, 9505, 9755, 19010, 19510, 38020, 39020, 3708851, 7417702, 14835404, 18544255, 37088510, 74177020]

約数ペア:

[(1, 74177020), (2, 37088510), (4, 18544255), (5, 14835404), (10, 7417702), (20, 3708851), (1901, 39020), (1951, 38020), (3802, 19510), (3902, 19010), (7604, 9755), (7804, 9505)]