15827020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71941}}^1$

素因数の和:71961

約数の個数: 24

約数和(自身を含む): 36258768

約数和(自身を除く): 20431748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 71941, 143882, 287764, 359705, 719410, 791351, 1438820, 1582702, 3165404, 3956755, 7913510, 15827020]

約数ペア:

[(1, 15827020), (2, 7913510), (4, 3956755), (5, 3165404), (10, 1582702), (11, 1438820), (20, 791351), (22, 719410), (44, 359705), (55, 287764), (110, 143882), (220, 71941)]