16433420

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4129}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 34692000

約数和(自身を除く): 18258580

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 4129, 8258, 16516, 20645, 41290, 82580, 821671, 1643342, 3286684, 4108355, 8216710, 16433420]

約数ペア:

[(1, 16433420), (2, 8216710), (4, 4108355), (5, 3286684), (10, 1643342), (20, 821671), (199, 82580), (398, 41290), (796, 20645), (995, 16516), (1990, 8258), (3980, 4129)]