20161786827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{154181}}^1$

素因数の和:154683

約数の個数: 32

約数和(自身を含む): 33155297280

約数和(自身を除く): 12993510453

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 479, 1437, 3353, 6227, 10059, 18681, 43589, 130767, 154181, 462543, 1079267, 2004353, 3237801, 6013059, 14030471, 42091413, 73852699, 221558097, 516968893, 960085087, 1550906679, 2880255261, 6720595609, 20161786827]

約数ペア:

[(1, 20161786827), (3, 6720595609), (7, 2880255261), (13, 1550906679), (21, 960085087), (39, 516968893), (91, 221558097), (273, 73852699), (479, 42091413), (1437, 14030471), (3353, 6013059), (6227, 3237801), (10059, 2004353), (18681, 1079267), (43589, 462543), (130767, 154181)]