20188942431

素因数分解:

$3^1\times 7^1\times {\mathrm{1319}}^1\times {\mathrm{728869}}^1$

素因数の和:730198

約数の個数: 16

約数和(自身を含む): 30787468800

約数和(自身を除く): 10598526369

約数列:

[1, 3, 7, 21, 1319, 3957, 9233, 27699, 728869, 2186607, 5102083, 15306249, 961378211, 2884134633, 6729647477, 20188942431]

約数ペア:

[(1, 20188942431), (3, 6729647477), (7, 2884134633), (21, 961378211), (1319, 15306249), (3957, 5102083), (9233, 2186607), (27699, 728869)]