20649772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2777}}^1$

素因数の和:2818

約数の個数: 36

約数和(自身を含む): 42703416

約数和(自身を除く): 22053644

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2777, 3718, 5554, 7436, 11108, 30547, 36101, 61094, 72202, 122188, 144404, 397111, 469313, 794222, 938626, 1588444, 1877252, 5162443, 10324886, 20649772]

約数ペア:

[(1, 20649772), (2, 10324886), (4, 5162443), (11, 1877252), (13, 1588444), (22, 938626), (26, 794222), (44, 469313), (52, 397111), (143, 144404), (169, 122188), (286, 72202), (338, 61094), (572, 36101), (676, 30547), (1859, 11108), (2777, 7436), (3718, 5554)]