20697909

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 28948800

約数和(自身を除く): 8250891

約数列:

[1, 3, 29, 73, 87, 219, 2117, 3259, 6351, 9777, 94511, 237907, 283533, 713721, 6899303, 20697909]

約数ペア:

[(1, 20697909), (3, 6899303), (29, 713721), (73, 283533), (87, 237907), (219, 94511), (2117, 9777), (3259, 6351)]