20003913

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 29789760

約数和(自身を除く): 9785847

約数列:

[1, 3, 9, 61, 83, 183, 249, 439, 549, 747, 1317, 3951, 5063, 15189, 26779, 36437, 45567, 80337, 109311, 241011, 327933, 2222657, 6667971, 20003913]

約数ペア:

[(1, 20003913), (3, 6667971), (9, 2222657), (61, 327933), (83, 241011), (183, 109311), (249, 80337), (439, 45567), (549, 36437), (747, 26779), (1317, 15189), (3951, 5063)]