20162964620

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2245319}}^1$

素因数の和:2245777

約数の個数: 24

約数和(自身を含む): 42436548000

約数和(自身を除く): 22273583380

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 2245319, 4490638, 8981276, 11226595, 22453190, 44906380, 1008148231, 2016296462, 4032592924, 5040741155, 10081482310, 20162964620]

約数ペア:

[(1, 20162964620), (2, 10081482310), (4, 5040741155), (5, 4032592924), (10, 2016296462), (20, 1008148231), (449, 44906380), (898, 22453190), (1796, 11226595), (2245, 8981276), (4490, 4490638), (8980, 2245319)]