20109973

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 22296960

約数和(自身を除く): 2186987

約数列:

[1, 13, 59, 157, 167, 767, 2041, 2171, 9263, 9853, 26219, 120419, 128089, 340847, 1546921, 20109973]

約数ペア:

[(1, 20109973), (13, 1546921), (59, 340847), (157, 128089), (167, 120419), (767, 26219), (2041, 9853), (2171, 9263)]