20809785568

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239347}}^1$

素因数の和:239400

約数の個数: 96

約数和(自身を含む): 50665184640

約数和(自身を除く): 29855399072

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 76, 88, 104, 143, 152, 176, 208, 209, 247, 286, 304, 352, 416, 418, 494, 572, 608, 836, 988, 1144, 1672, 1976, 2288, 2717, 3344, 3952, 4576, 5434, 6688, 7904, 10868, 21736, 43472, 86944, 239347, 478694, 957388, 1914776, 2632817, 3111511, 3829552, 4547593, 5265634, 6223022, 7659104, 9095186, 10531268, 12446044, 18190372, 21062536, 24892088, 34226621, 36380744, 42125072, 49784176, 50023523, 59118709, 68453242, 72761488, 84250144, 99568352, 100047046, 118237418, 136906484, 145522976, 200094092, 236474836, 273812968, 400188184, 472949672, 547625936, 650305799, 800376368, 945899344, 1095251872, 1300611598, 1600752736, 1891798688, 2601223196, 5202446392, 10404892784, 20809785568]

約数ペア:

[(1, 20809785568), (2, 10404892784), (4, 5202446392), (8, 2601223196), (11, 1891798688), (13, 1600752736), (16, 1300611598), (19, 1095251872), (22, 945899344), (26, 800376368), (32, 650305799), (38, 547625936), (44, 472949672), (52, 400188184), (76, 273812968), (88, 236474836), (104, 200094092), (143, 145522976), (152, 136906484), (176, 118237418), (208, 100047046), (209, 99568352), (247, 84250144), (286, 72761488), (304, 68453242), (352, 59118709), (416, 50023523), (418, 49784176), (494, 42125072), (572, 36380744), (608, 34226621), (836, 24892088), (988, 21062536), (1144, 18190372), (1672, 12446044), (1976, 10531268), (2288, 9095186), (2717, 7659104), (3344, 6223022), (3952, 5265634), (4576, 4547593), (5434, 3829552), (6688, 3111511), (7904, 2632817), (10868, 1914776), (21736, 957388), (43472, 478694), (86944, 239347)]