20456487172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{524149}}^1$

素因数の和:525051

約数の個数: 24

約数和(自身を含む): 39097396800

約数和(自身を除く): 18640909628

約数列:

[1, 2, 4, 11, 22, 44, 887, 1774, 3548, 9757, 19514, 39028, 524149, 1048298, 2096596, 5765639, 11531278, 23062556, 464920163, 929840326, 1859680652, 5114121793, 10228243586, 20456487172]

約数ペア:

[(1, 20456487172), (2, 10228243586), (4, 5114121793), (11, 1859680652), (22, 929840326), (44, 464920163), (887, 23062556), (1774, 11531278), (3548, 5765639), (9757, 2096596), (19514, 1048298), (39028, 524149)]