20456220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340937}}^1$

素因数の和:340949

約数の個数: 24

約数和(自身を含む): 57277584

約数和(自身を除く): 36821364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340937, 681874, 1022811, 1363748, 1704685, 2045622, 3409370, 4091244, 5114055, 6818740, 10228110, 20456220]

約数ペア:

[(1, 20456220), (2, 10228110), (3, 6818740), (4, 5114055), (5, 4091244), (6, 3409370), (10, 2045622), (12, 1704685), (15, 1363748), (20, 1022811), (30, 681874), (60, 340937)]