20121714387

素因数分解:

$3^{10}\times {\mathrm{149}}^1\times {\mathrm{2287}}^1$

素因数の和:2466

約数の個数: 44

約数和(自身を含む): 30398253600

約数和(自身を除く): 10276539213

約数列:

[1, 3, 9, 27, 81, 149, 243, 447, 729, 1341, 2187, 2287, 4023, 6561, 6861, 12069, 19683, 20583, 36207, 59049, 61749, 108621, 185247, 325863, 340763, 555741, 977589, 1022289, 1667223, 2932767, 3066867, 5001669, 8798301, 9200601, 15005007, 27601803, 45015021, 82805409, 135045063, 248416227, 745248681, 2235746043, 6707238129, 20121714387]

約数ペア:

[(1, 20121714387), (3, 6707238129), (9, 2235746043), (27, 745248681), (81, 248416227), (149, 135045063), (243, 82805409), (447, 45015021), (729, 27601803), (1341, 15005007), (2187, 9200601), (2287, 8798301), (4023, 5001669), (6561, 3066867), (6861, 2932767), (12069, 1667223), (19683, 1022289), (20583, 977589), (36207, 555741), (59049, 340763), (61749, 325863), (108621, 185247)]