20274130

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4957}}^1$

素因数の和:5373

約数の個数: 16

約数和(自身を含む): 36590040

約数和(自身を除く): 16315910

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4957, 9914, 24785, 49570, 2027413, 4054826, 10137065, 20274130]

約数ペア:

[(1, 20274130), (2, 10137065), (5, 4054826), (10, 2027413), (409, 49570), (818, 24785), (2045, 9914), (4090, 4957)]