20661238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5717}}^1$

素因数の和:5871

約数の個数: 16

約数和(自身を含む): 33621840

約数和(自身を除く): 12960602

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 5717, 11434, 74321, 148642, 794663, 1589326, 10330619, 20661238]

約数ペア:

[(1, 20661238), (2, 10330619), (13, 1589326), (26, 794663), (139, 148642), (278, 74321), (1807, 11434), (3614, 5717)]