20479350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{439}}^1$

素因数の和:765

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 30588810

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 311, 439, 622, 878, 933, 1317, 1555, 1866, 2195, 2634, 3110, 4390, 4665, 6585, 7775, 9330, 10975, 13170, 15550, 21950, 23325, 32925, 46650, 65850, 136529, 273058, 409587, 682645, 819174, 1365290, 2047935, 3413225, 4095870, 6826450, 10239675, 20479350]

約数ペア:

[(1, 20479350), (2, 10239675), (3, 6826450), (5, 4095870), (6, 3413225), (10, 2047935), (15, 1365290), (25, 819174), (30, 682645), (50, 409587), (75, 273058), (150, 136529), (311, 65850), (439, 46650), (622, 32925), (878, 23325), (933, 21950), (1317, 15550), (1555, 13170), (1866, 10975), (2195, 9330), (2634, 7775), (3110, 6585), (4390, 4665)]