20174740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23459}}^1$

素因数の和:23511

約数の個数: 24

約数和(自身を含む): 43354080

約数和(自身を除く): 23179340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23459, 46918, 93836, 117295, 234590, 469180, 1008737, 2017474, 4034948, 5043685, 10087370, 20174740]

約数ペア:

[(1, 20174740), (2, 10087370), (4, 5043685), (5, 4034948), (10, 2017474), (20, 1008737), (43, 469180), (86, 234590), (172, 117295), (215, 93836), (430, 46918), (860, 23459)]