20521132

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2713}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 37692032

約数和(自身を除く): 17170900

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2713, 3782, 5426, 7564, 10852, 84103, 165493, 168206, 330986, 336412, 661972, 5130283, 10260566, 20521132]

約数ペア:

[(1, 20521132), (2, 10260566), (4, 5130283), (31, 661972), (61, 336412), (62, 330986), (122, 168206), (124, 165493), (244, 84103), (1891, 10852), (2713, 7564), (3782, 5426)]