20437140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340619}}^1$

素因数の和:340631

約数の個数: 24

約数和(自身を含む): 57224160

約数和(自身を除く): 36787020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340619, 681238, 1021857, 1362476, 1703095, 2043714, 3406190, 4087428, 5109285, 6812380, 10218570, 20437140]

約数ペア:

[(1, 20437140), (2, 10218570), (3, 6812380), (4, 5109285), (5, 4087428), (6, 3406190), (10, 2043714), (12, 1703095), (15, 1362476), (20, 1021857), (30, 681238), (60, 340619)]