20021085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63559}}^1$

素因数の和:63577

約数の個数: 24

約数和(自身を含む): 39661440

約数和(自身を除く): 19640355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63559, 190677, 317795, 444913, 572031, 953385, 1334739, 2224565, 2860155, 4004217, 6673695, 20021085]

約数ペア:

[(1, 20021085), (3, 6673695), (5, 4004217), (7, 2860155), (9, 2224565), (15, 1334739), (21, 953385), (35, 572031), (45, 444913), (63, 317795), (105, 190677), (315, 63559)]