20851140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347519}}^1$

素因数の和:347531

約数の個数: 24

約数和(自身を含む): 58383360

約数和(自身を除く): 37532220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347519, 695038, 1042557, 1390076, 1737595, 2085114, 3475190, 4170228, 5212785, 6950380, 10425570, 20851140]

約数ペア:

[(1, 20851140), (2, 10425570), (3, 6950380), (4, 5212785), (5, 4170228), (6, 3475190), (10, 2085114), (12, 1737595), (15, 1390076), (20, 1042557), (30, 695038), (60, 347519)]