20681001649

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{16267}}^1$

素因数の和:16394

約数の個数: 48

約数和(自身を含む): 27694643200

約数和(自身を除く): 7013641551

約数列:

[1, 7, 11, 19, 77, 79, 121, 133, 209, 553, 847, 869, 1463, 1501, 2299, 6083, 9559, 10507, 16093, 16267, 16511, 66913, 113869, 115577, 178937, 181621, 309073, 1252559, 1271347, 1285093, 1968307, 2163511, 3399803, 8995651, 13778149, 14136023, 23798621, 24416767, 37397833, 98952161, 155496253, 170917369, 261784831, 268584437, 1088473771, 1880091059, 2954428807, 20681001649]

約数ペア:

[(1, 20681001649), (7, 2954428807), (11, 1880091059), (19, 1088473771), (77, 268584437), (79, 261784831), (121, 170917369), (133, 155496253), (209, 98952161), (553, 37397833), (847, 24416767), (869, 23798621), (1463, 14136023), (1501, 13778149), (2299, 8995651), (6083, 3399803), (9559, 2163511), (10507, 1968307), (16093, 1285093), (16267, 1271347), (16511, 1252559), (66913, 309073), (113869, 181621), (115577, 178937)]