12447220

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{1039}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 26208000

約数和(自身を除く): 13760780

約数列:

[1, 2, 4, 5, 10, 20, 599, 1039, 1198, 2078, 2396, 2995, 4156, 5195, 5990, 10390, 11980, 20780, 622361, 1244722, 2489444, 3111805, 6223610, 12447220]

約数ペア:

[(1, 12447220), (2, 6223610), (4, 3111805), (5, 2489444), (10, 1244722), (20, 622361), (599, 20780), (1039, 11980), (1198, 10390), (2078, 5990), (2396, 5195), (2995, 4156)]