20628832

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 29932448

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 74, 76, 112, 131, 133, 148, 152, 224, 259, 262, 266, 296, 304, 518, 524, 532, 592, 608, 703, 917, 1036, 1048, 1064, 1184, 1406, 1834, 2072, 2096, 2128, 2489, 2812, 3668, 4144, 4192, 4256, 4847, 4921, 4978, 5624, 7336, 8288, 9694, 9842, 9956, 11248, 14672, 17423, 19388, 19684, 19912, 22496, 29344, 33929, 34846, 38776, 39368, 39824, 67858, 69692, 77552, 78736, 79648, 92093, 135716, 139384, 155104, 157472, 184186, 271432, 278768, 368372, 542864, 557536, 644651, 736744, 1085728, 1289302, 1473488, 2578604, 2946976, 5157208, 10314416, 20628832]

約数ペア:

[(1, 20628832), (2, 10314416), (4, 5157208), (7, 2946976), (8, 2578604), (14, 1473488), (16, 1289302), (19, 1085728), (28, 736744), (32, 644651), (37, 557536), (38, 542864), (56, 368372), (74, 278768), (76, 271432), (112, 184186), (131, 157472), (133, 155104), (148, 139384), (152, 135716), (224, 92093), (259, 79648), (262, 78736), (266, 77552), (296, 69692), (304, 67858), (518, 39824), (524, 39368), (532, 38776), (592, 34846), (608, 33929), (703, 29344), (917, 22496), (1036, 19912), (1048, 19684), (1064, 19388), (1184, 17423), (1406, 14672), (1834, 11248), (2072, 9956), (2096, 9842), (2128, 9694), (2489, 8288), (2812, 7336), (3668, 5624), (4144, 4978), (4192, 4921), (4256, 4847)]