20581652

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56543}}^1$

素因数の和:56567

約数の個数: 24

約数和(自身を含む): 44330496

約数和(自身を除く): 23748844

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56543, 113086, 226172, 395801, 735059, 791602, 1470118, 1583204, 2940236, 5145413, 10290826, 20581652]

約数ペア:

[(1, 20581652), (2, 10290826), (4, 5145413), (7, 2940236), (13, 1583204), (14, 1470118), (26, 791602), (28, 735059), (52, 395801), (91, 226172), (182, 113086), (364, 56543)]