20020245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{190669}}^1$

素因数の和:190684

約数の個数: 16

約数和(自身を含む): 36608640

約数和(自身を除く): 16588395

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 190669, 572007, 953345, 1334683, 2860035, 4004049, 6673415, 20020245]

約数ペア:

[(1, 20020245), (3, 6673415), (5, 4004049), (7, 2860035), (15, 1334683), (21, 953345), (35, 572007), (105, 190669)]