20754872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{83689}}^1$

素因数の和:83726

約数の個数: 16

約数和(自身を含む): 40171200

約数和(自身を除く): 19416328

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 83689, 167378, 334756, 669512, 2594359, 5188718, 10377436, 20754872]

約数ペア:

[(1, 20754872), (2, 10377436), (4, 5188718), (8, 2594359), (31, 669512), (62, 334756), (124, 167378), (248, 83689)]