20588870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 39470976

約数和(自身を除く): 18882106

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 281, 431, 562, 862, 1405, 2155, 2810, 4310, 4777, 7327, 9554, 14654, 23885, 36635, 47770, 73270, 121111, 242222, 605555, 1211110, 2058887, 4117774, 10294435, 20588870]

約数ペア:

[(1, 20588870), (2, 10294435), (5, 4117774), (10, 2058887), (17, 1211110), (34, 605555), (85, 242222), (170, 121111), (281, 73270), (431, 47770), (562, 36635), (862, 23885), (1405, 14654), (2155, 9554), (2810, 7327), (4310, 4777)]