23391220

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4447}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 49319424

約数和(自身を除く): 25928204

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4447, 5260, 8894, 17788, 22235, 44470, 88940, 1169561, 2339122, 4678244, 5847805, 11695610, 23391220]

約数ペア:

[(1, 23391220), (2, 11695610), (4, 5847805), (5, 4678244), (10, 2339122), (20, 1169561), (263, 88940), (526, 44470), (1052, 22235), (1315, 17788), (2630, 8894), (4447, 5260)]