19906620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331777}}^1$

素因数の和:331789

約数の個数: 24

約数和(自身を含む): 55738704

約数和(自身を除く): 35832084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331777, 663554, 995331, 1327108, 1658885, 1990662, 3317770, 3981324, 4976655, 6635540, 9953310, 19906620]

約数ペア:

[(1, 19906620), (2, 9953310), (3, 6635540), (4, 4976655), (5, 3981324), (6, 3317770), (10, 1990662), (12, 1658885), (15, 1327108), (20, 995331), (30, 663554), (60, 331777)]