20781617708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2859331}}^1$

素因数の和:2859437

約数の個数: 24

約数和(自身を含む): 38429422080

約数和(自身を除く): 17647804372

約数列:

[1, 2, 4, 23, 46, 79, 92, 158, 316, 1817, 3634, 7268, 2859331, 5718662, 11437324, 65764613, 131529226, 225887149, 263058452, 451774298, 903548596, 5195404427, 10390808854, 20781617708]

約数ペア:

[(1, 20781617708), (2, 10390808854), (4, 5195404427), (23, 903548596), (46, 451774298), (79, 263058452), (92, 225887149), (158, 131529226), (316, 65764613), (1817, 11437324), (3634, 5718662), (7268, 2859331)]