20051372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4259}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 18595348

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4259, 4708, 8518, 17036, 46849, 93698, 187396, 455713, 911426, 1822852, 5012843, 10025686, 20051372]

約数ペア:

[(1, 20051372), (2, 10025686), (4, 5012843), (11, 1822852), (22, 911426), (44, 455713), (107, 187396), (214, 93698), (428, 46849), (1177, 17036), (2354, 8518), (4259, 4708)]