20165673520

素因数分解:

$2^4\times 5^1\times {\mathrm{252070919}}^1$

素因数の和:252070932

約数の個数: 20

約数和(自身を含む): 46885191120

約数和(自身を除く): 26719517600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252070919, 504141838, 1008283676, 1260354595, 2016567352, 2520709190, 4033134704, 5041418380, 10082836760, 20165673520]

約数ペア:

[(1, 20165673520), (2, 10082836760), (4, 5041418380), (5, 4033134704), (8, 2520709190), (10, 2016567352), (16, 1260354595), (20, 1008283676), (40, 504141838), (80, 252070919)]