20379770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{119881}}^1$

素因数の和:119905

約数の個数: 16

約数和(自身を含む): 38841768

約数和(自身を除く): 18461998

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 119881, 239762, 599405, 1198810, 2037977, 4075954, 10189885, 20379770]

約数ペア:

[(1, 20379770), (2, 10189885), (5, 4075954), (10, 2037977), (17, 1198810), (34, 599405), (85, 239762), (170, 119881)]