20155540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59281}}^1$

素因数の和:59307

約数の個数: 24

約数和(自身を含む): 44817192

約数和(自身を除く): 24661652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59281, 118562, 237124, 296405, 592810, 1007777, 1185620, 2015554, 4031108, 5038885, 10077770, 20155540]

約数ペア:

[(1, 20155540), (2, 10077770), (4, 5038885), (5, 4031108), (10, 2015554), (17, 1185620), (20, 1007777), (34, 592810), (68, 296405), (85, 237124), (170, 118562), (340, 59281)]