20404888

素因数分解:

$2^3\times 7^1\times {\mathrm{364373}}^1$

素因数の和:364386

約数の個数: 16

約数和(自身を含む): 43724880

約数和(自身を除く): 23319992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 364373, 728746, 1457492, 2550611, 2914984, 5101222, 10202444, 20404888]

約数ペア:

[(1, 20404888), (2, 10202444), (4, 5101222), (7, 2914984), (8, 2550611), (14, 1457492), (28, 728746), (56, 364373)]