20007969

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{2029}}^1$

素因数の和:2224

約数の個数: 16

約数和(自身を含む): 28257600

約数和(自身を除く): 8249631

約数列:

[1, 3, 19, 57, 173, 519, 2029, 3287, 6087, 9861, 38551, 115653, 351017, 1053051, 6669323, 20007969]

約数ペア:

[(1, 20007969), (3, 6669323), (19, 1053051), (57, 351017), (173, 115653), (519, 38551), (2029, 9861), (3287, 6087)]