20662006

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{5279}}^1$

素因数の和:5403

約数の個数: 16

約数和(自身を含む): 32947200

約数和(自身を除く): 12285194

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 5279, 10558, 100301, 200602, 543737, 1087474, 10331003, 20662006]

約数ペア:

[(1, 20662006), (2, 10331003), (19, 1087474), (38, 543737), (103, 200602), (206, 100301), (1957, 10558), (3914, 5279)]