20179905296

素因数分解:

$2^4\times {\mathrm{2543}}^1\times {\mathrm{495967}}^1$

素因数の和:498518

約数の個数: 20

約数和(自身を含む): 39114020352

約数和(自身を除く): 18934115056

約数列:

[1, 2, 4, 8, 16, 2543, 5086, 10172, 20344, 40688, 495967, 991934, 1983868, 3967736, 7935472, 1261244081, 2522488162, 5044976324, 10089952648, 20179905296]

約数ペア:

[(1, 20179905296), (2, 10089952648), (4, 5044976324), (8, 2522488162), (16, 1261244081), (2543, 7935472), (5086, 3967736), (10172, 1983868), (20344, 991934), (40688, 495967)]