20498820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{341647}}^1$

素因数の和:341659

約数の個数: 24

約数和(自身を含む): 57396864

約数和(自身を除く): 36898044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 341647, 683294, 1024941, 1366588, 1708235, 2049882, 3416470, 4099764, 5124705, 6832940, 10249410, 20498820]

約数ペア:

[(1, 20498820), (2, 10249410), (3, 6832940), (4, 5124705), (5, 4099764), (6, 3416470), (10, 2049882), (12, 1708235), (15, 1366588), (20, 1024941), (30, 683294), (60, 341647)]