20868436

素因数分解:

$2^2\times {\mathrm{1129}}^1\times {\mathrm{4621}}^1$

素因数の和:5754

約数の個数: 12

約数和(自身を含む): 36560020

約数和(自身を除く): 15691584

約数列:

[1, 2, 4, 1129, 2258, 4516, 4621, 9242, 18484, 5217109, 10434218, 20868436]

約数ペア:

[(1, 20868436), (2, 10434218), (4, 5217109), (1129, 18484), (2258, 9242), (4516, 4621)]