20158679969

素因数分解:

${\mathrm{31}}^1\times {\mathrm{787}}^1\times {\mathrm{907}}^1\times {\mathrm{911}}^1$

素因数の和:2636

約数の個数: 16

約数和(自身を含む): 20881268736

約数和(自身を除く): 722588767

約数列:

[1, 31, 787, 907, 911, 24397, 28117, 28241, 713809, 716957, 826277, 22128079, 22225667, 25614587, 650279999, 20158679969]

約数ペア:

[(1, 20158679969), (31, 650279999), (787, 25614587), (907, 22225667), (911, 22128079), (24397, 826277), (28117, 716957), (28241, 713809)]