20001878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{3389}}^1$

素因数の和:3631

約数の個数: 16

約数和(自身を含む): 32462640

約数和(自身を除く): 12460762

約数列:

[1, 2, 13, 26, 227, 454, 2951, 3389, 5902, 6778, 44057, 88114, 769303, 1538606, 10000939, 20001878]

約数ペア:

[(1, 20001878), (2, 10000939), (13, 1538606), (26, 769303), (227, 88114), (454, 44057), (2951, 6778), (3389, 5902)]