20704794

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 72

約数和(自身を含む): 48646080

約数和(自身を除く): 27941286

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 79, 114, 121, 158, 209, 237, 242, 361, 363, 418, 474, 627, 722, 726, 869, 1083, 1254, 1501, 1738, 2166, 2299, 2607, 3002, 3971, 4503, 4598, 5214, 6897, 7942, 9006, 9559, 11913, 13794, 16511, 19118, 23826, 28519, 28677, 33022, 43681, 49533, 57038, 57354, 85557, 87362, 99066, 131043, 171114, 181621, 262086, 313709, 363242, 544863, 627418, 941127, 1089726, 1882254, 3450799, 6901598, 10352397, 20704794]

約数ペア:

[(1, 20704794), (2, 10352397), (3, 6901598), (6, 3450799), (11, 1882254), (19, 1089726), (22, 941127), (33, 627418), (38, 544863), (57, 363242), (66, 313709), (79, 262086), (114, 181621), (121, 171114), (158, 131043), (209, 99066), (237, 87362), (242, 85557), (361, 57354), (363, 57038), (418, 49533), (474, 43681), (627, 33022), (722, 28677), (726, 28519), (869, 23826), (1083, 19118), (1254, 16511), (1501, 13794), (1738, 11913), (2166, 9559), (2299, 9006), (2607, 7942), (3002, 6897), (3971, 5214), (4503, 4598)]