20123486607

素因数分解:

$3^1\times 7^1\times {\mathrm{3889}}^1\times {\mathrm{246403}}^1$

素因数の和:250302

約数の個数: 16

約数和(自身を含む): 30672369920

約数和(自身を除く): 10548883313

約数列:

[1, 3, 7, 21, 3889, 11667, 27223, 81669, 246403, 739209, 1724821, 5174463, 958261267, 2874783801, 6707828869, 20123486607]

約数ペア:

[(1, 20123486607), (3, 6707828869), (7, 2874783801), (21, 958261267), (3889, 5174463), (11667, 1724821), (27223, 739209), (81669, 246403)]