20136865

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 9308255

約数列:

[1, 5, 7, 19, 35, 95, 107, 133, 283, 535, 665, 749, 1415, 1981, 2033, 3745, 5377, 9905, 10165, 14231, 26885, 30281, 37639, 71155, 151405, 188195, 211967, 575339, 1059835, 2876695, 4027373, 20136865]

約数ペア:

[(1, 20136865), (5, 4027373), (7, 2876695), (19, 1059835), (35, 575339), (95, 211967), (107, 188195), (133, 151405), (283, 71155), (535, 37639), (665, 30281), (749, 26885), (1415, 14231), (1981, 10165), (2033, 9905), (3745, 5377)]