20877163775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{72421}}^1$

素因数の和:73331

約数の個数: 24

約数和(自身を含む): 27910859424

約数和(自身を除く): 7033695649

約数列:

[1, 5, 13, 25, 65, 325, 887, 4435, 11531, 22175, 57655, 72421, 288275, 362105, 941473, 1810525, 4707365, 23536825, 64237427, 321187135, 835086551, 1605935675, 4175432755, 20877163775]

約数ペア:

[(1, 20877163775), (5, 4175432755), (13, 1605935675), (25, 835086551), (65, 321187135), (325, 64237427), (887, 23536825), (4435, 4707365), (11531, 1810525), (22175, 941473), (57655, 362105), (72421, 288275)]