20687564846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2861}}^1\times {\mathrm{278111}}^1$

素因数の和:280987

約数の個数: 16

約数和(自身を含む): 33430174848

約数和(自身を除く): 12742610002

約数列:

[1, 2, 13, 26, 2861, 5722, 37193, 74386, 278111, 556222, 3615443, 7230886, 795675571, 1591351142, 10343782423, 20687564846]

約数ペア:

[(1, 20687564846), (2, 10343782423), (13, 1591351142), (26, 795675571), (2861, 7230886), (5722, 3615443), (37193, 556222), (74386, 278111)]