20565723986

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1103}}^1\times {\mathrm{1279}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 31896944640

約数和(自身を除く): 11331220654

約数列:

[1, 2, 37, 74, 197, 394, 1103, 1279, 2206, 2558, 7289, 14578, 40811, 47323, 81622, 94646, 217291, 251963, 434582, 503926, 1410737, 2821474, 8039767, 9322631, 16079534, 18645262, 52197269, 104394538, 277915189, 555830378, 10282861993, 20565723986]

約数ペア:

[(1, 20565723986), (2, 10282861993), (37, 555830378), (74, 277915189), (197, 104394538), (394, 52197269), (1103, 18645262), (1279, 16079534), (2206, 9322631), (2558, 8039767), (7289, 2821474), (14578, 1410737), (40811, 503926), (47323, 434582), (81622, 251963), (94646, 217291)]