20164996881

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{1579}}^1\times {\mathrm{11173}}^1$

素因数の和:12885

約数の個数: 24

約数和(自身を含む): 29377786880

約数和(自身を除く): 9212789999

約数列:

[1, 3, 9, 127, 381, 1143, 1579, 4737, 11173, 14211, 33519, 100557, 200533, 601599, 1418971, 1804797, 4256913, 12770739, 17642167, 52926501, 158779503, 2240555209, 6721665627, 20164996881]

約数ペア:

[(1, 20164996881), (3, 6721665627), (9, 2240555209), (127, 158779503), (381, 52926501), (1143, 17642167), (1579, 12770739), (4737, 4256913), (11173, 1804797), (14211, 1418971), (33519, 601599), (100557, 200533)]