20998595709

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8546437}}^1$

素因数の和:8546466

約数の個数: 32

約数和(自身を含む): 38288042240

約数和(自身を除く): 17289446531

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8546437, 25639311, 59825059, 76917933, 111103681, 179475177, 230753799, 333311043, 538425531, 777725767, 999933129, 1615276593, 2333177301, 2999799387, 6999531903, 20998595709]

約数ペア:

[(1, 20998595709), (3, 6999531903), (7, 2999799387), (9, 2333177301), (13, 1615276593), (21, 999933129), (27, 777725767), (39, 538425531), (63, 333311043), (91, 230753799), (117, 179475177), (189, 111103681), (273, 76917933), (351, 59825059), (819, 25639311), (2457, 8546437)]