20396398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{25057}}^1$

素因数の和:25107

約数の個数: 16

約数和(自身を含む): 34279344

約数和(自身を除く): 13882946

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 25057, 50114, 275627, 551254, 927109, 1854218, 10198199, 20396398]

約数ペア:

[(1, 20396398), (2, 10198199), (11, 1854218), (22, 927109), (37, 551254), (74, 275627), (407, 50114), (814, 25057)]