20424540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340409}}^1$

素因数の和:340421

約数の個数: 24

約数和(自身を含む): 57188880

約数和(自身を除く): 36764340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340409, 680818, 1021227, 1361636, 1702045, 2042454, 3404090, 4084908, 5106135, 6808180, 10212270, 20424540]

約数ペア:

[(1, 20424540), (2, 10212270), (3, 6808180), (4, 5106135), (5, 4084908), (6, 3404090), (10, 2042454), (12, 1702045), (15, 1361636), (20, 1021227), (30, 680818), (60, 340409)]