20783628

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{2789}}^1$

素因数の和:2828

約数の個数: 60

約数和(自身を含む): 56715120

約数和(自身を除く): 35931492

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 276, 324, 414, 621, 828, 1242, 1863, 2484, 2789, 3726, 5578, 7452, 8367, 11156, 16734, 25101, 33468, 50202, 64147, 75303, 100404, 128294, 150606, 192441, 225909, 256588, 301212, 384882, 451818, 577323, 769764, 903636, 1154646, 1731969, 2309292, 3463938, 5195907, 6927876, 10391814, 20783628]

約数ペア:

[(1, 20783628), (2, 10391814), (3, 6927876), (4, 5195907), (6, 3463938), (9, 2309292), (12, 1731969), (18, 1154646), (23, 903636), (27, 769764), (36, 577323), (46, 451818), (54, 384882), (69, 301212), (81, 256588), (92, 225909), (108, 192441), (138, 150606), (162, 128294), (207, 100404), (276, 75303), (324, 64147), (414, 50202), (621, 33468), (828, 25101), (1242, 16734), (1863, 11156), (2484, 8367), (2789, 7452), (3726, 5578)]