20941804

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2383}}^1$

素因数の和:2426

約数の個数: 24

約数和(自身を含む): 39717440

約数和(自身を除く): 18775636

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2383, 4394, 4766, 8788, 9532, 30979, 61958, 123916, 402727, 805454, 1610908, 5235451, 10470902, 20941804]

約数ペア:

[(1, 20941804), (2, 10470902), (4, 5235451), (13, 1610908), (26, 805454), (52, 402727), (169, 123916), (338, 61958), (676, 30979), (2197, 9532), (2383, 8788), (4394, 4766)]