20427180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340453}}^1$

素因数の和:340465

約数の個数: 24

約数和(自身を含む): 57196272

約数和(自身を除く): 36769092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340453, 680906, 1021359, 1361812, 1702265, 2042718, 3404530, 4085436, 5106795, 6809060, 10213590, 20427180]

約数ペア:

[(1, 20427180), (2, 10213590), (3, 6809060), (4, 5106795), (5, 4085436), (6, 3404530), (10, 2042718), (12, 1702265), (15, 1361812), (20, 1021359), (30, 680906), (60, 340453)]