20291618

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 10708702

約数列:

[1, 2, 103, 137, 206, 274, 719, 1438, 14111, 28222, 74057, 98503, 148114, 197006, 10145809, 20291618]

約数ペア:

[(1, 20291618), (2, 10145809), (103, 197006), (137, 148114), (206, 98503), (274, 74057), (719, 28222), (1438, 14111)]