20868716078

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1063}}^1\times {\mathrm{82487}}^1$

素因数の和:83576

約数の個数: 32

約数和(自身を含む): 37915444224

約数和(自身を除く): 17046728146

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1063, 2126, 7441, 14882, 18071, 36142, 82487, 126497, 164974, 252994, 577409, 1154818, 1402279, 2804558, 9815953, 19631906, 87683681, 175367362, 613785767, 1227571534, 1490622577, 2981245154, 10434358039, 20868716078]

約数ペア:

[(1, 20868716078), (2, 10434358039), (7, 2981245154), (14, 1490622577), (17, 1227571534), (34, 613785767), (119, 175367362), (238, 87683681), (1063, 19631906), (2126, 9815953), (7441, 2804558), (14882, 1402279), (18071, 1154818), (36142, 577409), (82487, 252994), (126497, 164974)]