20903693

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 23166000

約数和(自身を除く): 2262307

約数列:

[1, 17, 29, 109, 389, 493, 1853, 3161, 6613, 11281, 42401, 53737, 191777, 720817, 1229629, 20903693]

約数ペア:

[(1, 20903693), (17, 1229629), (29, 720817), (109, 191777), (389, 53737), (493, 42401), (1853, 11281), (3161, 6613)]