20559400

素因数分解:

$2^3\times 5^2\times {\mathrm{102797}}^1$

素因数の和:102813

約数の個数: 24

約数和(自身を含む): 47801070

約数和(自身を除く): 27241670

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 102797, 205594, 411188, 513985, 822376, 1027970, 2055940, 2569925, 4111880, 5139850, 10279700, 20559400]

約数ペア:

[(1, 20559400), (2, 10279700), (4, 5139850), (5, 4111880), (8, 2569925), (10, 2055940), (20, 1027970), (25, 822376), (40, 513985), (50, 411188), (100, 205594), (200, 102797)]