20926178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3762

約数の個数: 32

約数和(自身を含む): 39889920

約数和(自身を除く): 18963742

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 3709, 5642, 7418, 25963, 48217, 51926, 96434, 114979, 229958, 337519, 675038, 804853, 1494727, 1609706, 2989454, 10463089, 20926178]

約数ペア:

[(1, 20926178), (2, 10463089), (7, 2989454), (13, 1609706), (14, 1494727), (26, 804853), (31, 675038), (62, 337519), (91, 229958), (182, 114979), (217, 96434), (403, 51926), (434, 48217), (806, 25963), (2821, 7418), (3709, 5642)]