20993030

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48821}}^1$

素因数の和:48871

約数の個数: 16

約数和(自身を含む): 38667024

約数和(自身を除く): 17673994

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48821, 97642, 244105, 488210, 2099303, 4198606, 10496515, 20993030]

約数ペア:

[(1, 20993030), (2, 10496515), (5, 4198606), (10, 2099303), (43, 488210), (86, 244105), (215, 97642), (430, 48821)]