20109011

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4838

約数の個数: 16

約数和(自身を含む): 24141600

約数和(自身を除く): 4032589

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4789, 62257, 81413, 90991, 1058369, 1182883, 1546847, 20109011]

約数ペア:

[(1, 20109011), (13, 1546847), (17, 1182883), (19, 1058369), (221, 90991), (247, 81413), (323, 62257), (4199, 4789)]