20931526

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19417}}^1$

素因数の和:19444

約数の個数: 24

約数和(自身を含む): 39845736

約数和(自身を除く): 18914210

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 19417, 38834, 135919, 213587, 271838, 427174, 951433, 1495109, 1902866, 2990218, 10465763, 20931526]

約数ペア:

[(1, 20931526), (2, 10465763), (7, 2990218), (11, 1902866), (14, 1495109), (22, 951433), (49, 427174), (77, 271838), (98, 213587), (154, 135919), (539, 38834), (1078, 19417)]