20201984540

素因数分解:

$2^2\times 5^1\times {\mathrm{1163}}^1\times {\mathrm{868529}}^1$

素因数の和:869701

約数の個数: 24

約数和(自身を含む): 42460694640

約数和(自身を除く): 22258710100

約数列:

[1, 2, 4, 5, 10, 20, 1163, 2326, 4652, 5815, 11630, 23260, 868529, 1737058, 3474116, 4342645, 8685290, 17370580, 1010099227, 2020198454, 4040396908, 5050496135, 10100992270, 20201984540]

約数ペア:

[(1, 20201984540), (2, 10100992270), (4, 5050496135), (5, 4040396908), (10, 2020198454), (20, 1010099227), (1163, 17370580), (2326, 8685290), (4652, 4342645), (5815, 3474116), (11630, 1737058), (23260, 868529)]