20157803215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1433}}^1\times {\mathrm{23251}}^1$

素因数の和:24711

約数の個数: 24

約数和(自身を含む): 26608007664

約数和(自身を除く): 6450204449

約数列:

[1, 5, 11, 55, 121, 605, 1433, 7165, 15763, 23251, 78815, 116255, 173393, 255761, 866965, 1278805, 2813371, 14066855, 33318683, 166593415, 366505513, 1832527565, 4031560643, 20157803215]

約数ペア:

[(1, 20157803215), (5, 4031560643), (11, 1832527565), (55, 366505513), (121, 166593415), (605, 33318683), (1433, 14066855), (7165, 2813371), (15763, 1278805), (23251, 866965), (78815, 255761), (116255, 173393)]