20506004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2711}}^1$

素因数の和:2807

約数の個数: 24

約数和(自身を含む): 37664256

約数和(自身を除く): 17158252

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2711, 3782, 5422, 7564, 10844, 84041, 165371, 168082, 330742, 336164, 661484, 5126501, 10253002, 20506004]

約数ペア:

[(1, 20506004), (2, 10253002), (4, 5126501), (31, 661484), (61, 336164), (62, 330742), (122, 168082), (124, 165371), (244, 84041), (1891, 10844), (2711, 7564), (3782, 5422)]