20309480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26723}}^1$

素因数の和:26753

約数の個数: 32

約数和(自身を含む): 48103200

約数和(自身を除く): 27793720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 26723, 53446, 106892, 133615, 213784, 267230, 507737, 534460, 1015474, 1068920, 2030948, 2538685, 4061896, 5077370, 10154740, 20309480]

約数ペア:

[(1, 20309480), (2, 10154740), (4, 5077370), (5, 4061896), (8, 2538685), (10, 2030948), (19, 1068920), (20, 1015474), (38, 534460), (40, 507737), (76, 267230), (95, 213784), (152, 133615), (190, 106892), (380, 53446), (760, 26723)]