20126886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 25409370

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 169, 299, 338, 507, 598, 863, 897, 1014, 1726, 1794, 2589, 3887, 5178, 7774, 11219, 11661, 19849, 22438, 23322, 33657, 39698, 59547, 67314, 119094, 145847, 258037, 291694, 437541, 516074, 774111, 875082, 1548222, 3354481, 6708962, 10063443, 20126886]

約数ペア:

[(1, 20126886), (2, 10063443), (3, 6708962), (6, 3354481), (13, 1548222), (23, 875082), (26, 774111), (39, 516074), (46, 437541), (69, 291694), (78, 258037), (138, 145847), (169, 119094), (299, 67314), (338, 59547), (507, 39698), (598, 33657), (863, 23322), (897, 22438), (1014, 19849), (1726, 11661), (1794, 11219), (2589, 7774), (3887, 5178)]