20120490215

素因数分解:

$5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1247009}}^1$

素因数の和:1247482

約数の個数: 16

約数和(自身を含む): 27653693760

約数和(自身を除く): 7533203545

約数列:

[1, 5, 7, 35, 461, 2305, 3227, 16135, 1247009, 6235045, 8729063, 43645315, 574871149, 2874355745, 4024098043, 20120490215]

約数ペア:

[(1, 20120490215), (5, 4024098043), (7, 2874355745), (35, 574871149), (461, 43645315), (2305, 8729063), (3227, 6235045), (16135, 1247009)]