20995090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{91283}}^1$

素因数の和:91313

約数の個数: 16

約数和(自身を含む): 39434688

約数和(自身を除く): 18439598

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 91283, 182566, 456415, 912830, 2099509, 4199018, 10497545, 20995090]

約数ペア:

[(1, 20995090), (2, 10497545), (5, 4199018), (10, 2099509), (23, 912830), (46, 456415), (115, 182566), (230, 91283)]