20217309

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{3037}}^1$

素因数の和:3364

約数の個数: 16

約数和(自身を含む): 30914688

約数和(自身を除く): 10697379

約数列:

[1, 3, 7, 21, 317, 951, 2219, 3037, 6657, 9111, 21259, 63777, 962729, 2888187, 6739103, 20217309]

約数ペア:

[(1, 20217309), (3, 6739103), (7, 2888187), (21, 962729), (317, 63777), (951, 21259), (2219, 9111), (3037, 6657)]