20906500

素因数分解:

$2^2\times 5^3\times {\mathrm{41813}}^1$

素因数の和:41832

約数の個数: 24

約数和(自身を含む): 45660888

約数和(自身を除く): 24754388

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41813, 83626, 167252, 209065, 418130, 836260, 1045325, 2090650, 4181300, 5226625, 10453250, 20906500]

約数ペア:

[(1, 20906500), (2, 10453250), (4, 5226625), (5, 4181300), (10, 2090650), (20, 1045325), (25, 836260), (50, 418130), (100, 209065), (125, 167252), (250, 83626), (500, 41813)]