20148479975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{65327}}^1$

素因数の和:65436

約数の個数: 36

約数和(自身を含む): 27424825056

約数和(自身を除く): 7276345081

約数列:

[1, 5, 13, 25, 65, 73, 169, 325, 365, 845, 949, 1825, 4225, 4745, 12337, 23725, 61685, 65327, 308425, 326635, 849251, 1633175, 4246255, 4768871, 11040263, 21231275, 23844355, 55201315, 61995323, 119221775, 276006575, 309976615, 805939199, 1549883075, 4029695995, 20148479975]

約数ペア:

[(1, 20148479975), (5, 4029695995), (13, 1549883075), (25, 805939199), (65, 309976615), (73, 276006575), (169, 119221775), (325, 61995323), (365, 55201315), (845, 23844355), (949, 21231275), (1825, 11040263), (4225, 4768871), (4745, 4246255), (12337, 1633175), (23725, 849251), (61685, 326635), (65327, 308425)]