19999860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333331}}^1$

素因数の和:333343

約数の個数: 24

約数和(自身を含む): 55999776

約数和(自身を除く): 35999916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333331, 666662, 999993, 1333324, 1666655, 1999986, 3333310, 3999972, 4999965, 6666620, 9999930, 19999860]

約数ペア:

[(1, 19999860), (2, 9999930), (3, 6666620), (4, 4999965), (5, 3999972), (6, 3333310), (10, 1999986), (12, 1666655), (15, 1333324), (20, 999993), (30, 666662), (60, 333331)]