20775854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 37359360

約数和(自身を除く): 16583506

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 2161, 4322, 4807, 9614, 23771, 41059, 47542, 49703, 82118, 99406, 451649, 546733, 903298, 944357, 1093466, 1888714, 10387927, 20775854]

約数ペア:

[(1, 20775854), (2, 10387927), (11, 1888714), (19, 1093466), (22, 944357), (23, 903298), (38, 546733), (46, 451649), (209, 99406), (253, 82118), (418, 49703), (437, 47542), (506, 41059), (874, 23771), (2161, 9614), (4322, 4807)]