20214500

素因数分解:

$2^2\times 5^3\times {\mathrm{40429}}^1$

素因数の和:40448

約数の個数: 24

約数和(自身を含む): 44149560

約数和(自身を除く): 23935060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40429, 80858, 161716, 202145, 404290, 808580, 1010725, 2021450, 4042900, 5053625, 10107250, 20214500]

約数ペア:

[(1, 20214500), (2, 10107250), (4, 5053625), (5, 4042900), (10, 2021450), (20, 1010725), (25, 808580), (50, 404290), (100, 202145), (125, 161716), (250, 80858), (500, 40429)]