20041312

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8821}}^1$

素因数の和:8902

約数の個数: 24

約数和(自身を含む): 40016592

約数和(自身を除く): 19975280

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8821, 17642, 35284, 70568, 141136, 282272, 626291, 1252582, 2505164, 5010328, 10020656, 20041312]

約数ペア:

[(1, 20041312), (2, 10020656), (4, 5010328), (8, 2505164), (16, 1252582), (32, 626291), (71, 282272), (142, 141136), (284, 70568), (568, 35284), (1136, 17642), (2272, 8821)]