20176714971

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13924579}}^1$

素因数の和:13924615

約数の個数: 24

約数和(自身を含む): 34755751680

約数和(自身を除く): 14579036709

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 13924579, 41773737, 97472053, 125321211, 292416159, 320265317, 877248477, 960795951, 2241857219, 2882387853, 6725571657, 20176714971]

約数ペア:

[(1, 20176714971), (3, 6725571657), (7, 2882387853), (9, 2241857219), (21, 960795951), (23, 877248477), (63, 320265317), (69, 292416159), (161, 125321211), (207, 97472053), (483, 41773737), (1449, 13924579)]