20390330

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55109}}^1$

素因数の和:55153

約数の個数: 16

約数和(自身を含む): 37695240

約数和(自身を除く): 17304910

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55109, 110218, 275545, 551090, 2039033, 4078066, 10195165, 20390330]

約数ペア:

[(1, 20390330), (2, 10195165), (5, 4078066), (10, 2039033), (37, 551090), (74, 275545), (185, 110218), (370, 55109)]