20167790

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4931}}^1$

素因数の和:5347

約数の個数: 16

約数和(自身を含む): 36398160

約数和(自身を除く): 16230370

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4931, 9862, 24655, 49310, 2016779, 4033558, 10083895, 20167790]

約数ペア:

[(1, 20167790), (2, 10083895), (5, 4033558), (10, 2016779), (409, 49310), (818, 24655), (2045, 9862), (4090, 4931)]