20815696424

素因数分解:

$2^3\times {\mathrm{4861}}^1\times {\mathrm{535273}}^1$

素因数の和:540140

約数の個数: 16

約数和(自身を含む): 39037532820

約数和(自身を除く): 18221836396

約数列:

[1, 2, 4, 8, 4861, 9722, 19444, 38888, 535273, 1070546, 2141092, 4282184, 2601962053, 5203924106, 10407848212, 20815696424]

約数ペア:

[(1, 20815696424), (2, 10407848212), (4, 5203924106), (8, 2601962053), (4861, 4282184), (9722, 2141092), (19444, 1070546), (38888, 535273)]