20945156975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{27026009}}^1$

素因数の和:27026050

約数の個数: 12

約数和(自身を含む): 26809801920

約数和(自身を除く): 5864644945

約数列:

[1, 5, 25, 31, 155, 775, 27026009, 135130045, 675650225, 837806279, 4189031395, 20945156975]

約数ペア:

[(1, 20945156975), (5, 4189031395), (25, 837806279), (31, 675650225), (155, 135130045), (775, 27026009)]