20442540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340709}}^1$

素因数の和:340721

約数の個数: 24

約数和(自身を含む): 57239280

約数和(自身を除く): 36796740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340709, 681418, 1022127, 1362836, 1703545, 2044254, 3407090, 4088508, 5110635, 6814180, 10221270, 20442540]

約数ペア:

[(1, 20442540), (2, 10221270), (3, 6814180), (4, 5110635), (5, 4088508), (6, 3407090), (10, 2044254), (12, 1703545), (15, 1362836), (20, 1022127), (30, 681418), (60, 340709)]