19986420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{333107}}^1$

素因数の和:333119

約数の個数: 24

約数和(自身を含む): 55962144

約数和(自身を除く): 35975724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 333107, 666214, 999321, 1332428, 1665535, 1998642, 3331070, 3997284, 4996605, 6662140, 9993210, 19986420]

約数ペア:

[(1, 19986420), (2, 9993210), (3, 6662140), (4, 4996605), (5, 3997284), (6, 3331070), (10, 1998642), (12, 1665535), (15, 1332428), (20, 999321), (30, 666214), (60, 333107)]