20826530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122509}}^1$

素因数の和:122533

約数の個数: 16

約数和(自身を含む): 39693240

約数和(自身を除く): 18866710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122509, 245018, 612545, 1225090, 2082653, 4165306, 10413265, 20826530]

約数ペア:

[(1, 20826530), (2, 10413265), (5, 4165306), (10, 2082653), (17, 1225090), (34, 612545), (85, 245018), (170, 122509)]