20161386424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{81295913}}^1$

素因数の和:81295950

約数の個数: 16

約数和(自身を含む): 39022038720

約数和(自身を除く): 18860652296

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 81295913, 162591826, 325183652, 650367304, 2520173303, 5040346606, 10080693212, 20161386424]

約数ペア:

[(1, 20161386424), (2, 10080693212), (4, 5040346606), (8, 2520173303), (31, 650367304), (62, 325183652), (124, 162591826), (248, 81295913)]