20087966

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 32503680

約数和(自身を除く): 12415714

約数列:

[1, 2, 37, 43, 59, 74, 86, 107, 118, 214, 1591, 2183, 2537, 3182, 3959, 4366, 4601, 5074, 6313, 7918, 9202, 12626, 93869, 170237, 187738, 233581, 271459, 340474, 467162, 542918, 10043983, 20087966]

約数ペア:

[(1, 20087966), (2, 10043983), (37, 542918), (43, 467162), (59, 340474), (74, 271459), (86, 233581), (107, 187738), (118, 170237), (214, 93869), (1591, 12626), (2183, 9202), (2537, 7918), (3182, 6313), (3959, 5074), (4366, 4601)]