20121325978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{18251}}^1\times {\mathrm{42403}}^1$

素因数の和:60669

約数の個数: 16

約数和(自身を含む): 32506227936

約数和(自身を除く): 12384901958

約数列:

[1, 2, 13, 26, 18251, 36502, 42403, 84806, 237263, 474526, 551239, 1102478, 773897153, 1547794306, 10060662989, 20121325978]

約数ペア:

[(1, 20121325978), (2, 10060662989), (13, 1547794306), (26, 773897153), (18251, 1102478), (36502, 551239), (42403, 474526), (84806, 237263)]