20996109

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{44017}}^1$

素因数の和:44076

約数の個数: 12

約数和(自身を含む): 30900636

約数和(自身を除く): 9904527

約数列:

[1, 3, 9, 53, 159, 477, 44017, 132051, 396153, 2332901, 6998703, 20996109]

約数ペア:

[(1, 20996109), (3, 6998703), (9, 2332901), (53, 396153), (159, 132051), (477, 44017)]