620685616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2041729}}^1$

素因数の和:2041756

約数の個数: 20

約数和(自身を含む): 1265872600

約数和(自身を除く): 645186984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2041729, 4083458, 8166916, 16333832, 32667664, 38792851, 77585702, 155171404, 310342808, 620685616]

約数ペア:

[(1, 620685616), (2, 310342808), (4, 155171404), (8, 77585702), (16, 38792851), (19, 32667664), (38, 16333832), (76, 8166916), (152, 4083458), (304, 2041729)]