20201780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59417}}^1$

素因数の和:59443

約数の個数: 24

約数和(自身を含む): 44920008

約数和(自身を除く): 24718228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 59417, 118834, 237668, 297085, 594170, 1010089, 1188340, 2020178, 4040356, 5050445, 10100890, 20201780]

約数ペア:

[(1, 20201780), (2, 10100890), (4, 5050445), (5, 4040356), (10, 2020178), (17, 1188340), (20, 1010089), (34, 594170), (68, 297085), (85, 237668), (170, 118834), (340, 59417)]