20122220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59183}}^1$

素因数の和:59209

約数の個数: 24

約数和(自身を含む): 44743104

約数和(自身を除く): 24620884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59183, 118366, 236732, 295915, 591830, 1006111, 1183660, 2012222, 4024444, 5030555, 10061110, 20122220]

約数ペア:

[(1, 20122220), (2, 10061110), (4, 5030555), (5, 4024444), (10, 2012222), (17, 1183660), (20, 1006111), (34, 591830), (68, 295915), (85, 236732), (170, 118366), (340, 59183)]