20175970

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4933}}^1$

素因数の和:5349

約数の個数: 16

約数和(自身を含む): 36412920

約数和(自身を除く): 16236950

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4933, 9866, 24665, 49330, 2017597, 4035194, 10087985, 20175970]

約数ペア:

[(1, 20175970), (2, 10087985), (5, 4035194), (10, 2017597), (409, 49330), (818, 24665), (2045, 9866), (4090, 4933)]