20975241

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43427}}^1$

素因数の和:43460

約数の個数: 16

約数和(自身を含む): 33352704

約数和(自身を除く): 12377463

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 43427, 130281, 303989, 911967, 998821, 2996463, 6991747, 20975241]

約数ペア:

[(1, 20975241), (3, 6991747), (7, 2996463), (21, 998821), (23, 911967), (69, 303989), (161, 130281), (483, 43427)]