20646888

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{23251}}^1$

素因数の和:23297

約数の個数: 32

約数和(自身を含む): 53014560

約数和(自身を除く): 32367672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 23251, 46502, 69753, 93004, 139506, 186008, 279012, 558024, 860287, 1720574, 2580861, 3441148, 5161722, 6882296, 10323444, 20646888]

約数ペア:

[(1, 20646888), (2, 10323444), (3, 6882296), (4, 5161722), (6, 3441148), (8, 2580861), (12, 1720574), (24, 860287), (37, 558024), (74, 279012), (111, 186008), (148, 139506), (222, 93004), (296, 69753), (444, 46502), (888, 23251)]