20307254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2203}}^1$

素因数の和:2635

約数の個数: 16

約数和(自身を含む): 33324480

約数和(自身を除く): 13017226

約数列:

[1, 2, 11, 22, 419, 838, 2203, 4406, 4609, 9218, 24233, 48466, 923057, 1846114, 10153627, 20307254]

約数ペア:

[(1, 20307254), (2, 10153627), (11, 1846114), (22, 923057), (419, 48466), (838, 24233), (2203, 9218), (4406, 4609)]