20526624

素因数分解:

$2^5\times 3^2\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:550

約数の個数: 72

約数和(自身を含む): 58810752

約数和(自身を除く): 38284128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 263, 271, 288, 526, 542, 789, 813, 1052, 1084, 1578, 1626, 2104, 2168, 2367, 2439, 3156, 3252, 4208, 4336, 4734, 4878, 6312, 6504, 8416, 8672, 9468, 9756, 12624, 13008, 18936, 19512, 25248, 26016, 37872, 39024, 71273, 75744, 78048, 142546, 213819, 285092, 427638, 570184, 641457, 855276, 1140368, 1282914, 1710552, 2280736, 2565828, 3421104, 5131656, 6842208, 10263312, 20526624]

約数ペア:

[(1, 20526624), (2, 10263312), (3, 6842208), (4, 5131656), (6, 3421104), (8, 2565828), (9, 2280736), (12, 1710552), (16, 1282914), (18, 1140368), (24, 855276), (32, 641457), (36, 570184), (48, 427638), (72, 285092), (96, 213819), (144, 142546), (263, 78048), (271, 75744), (288, 71273), (526, 39024), (542, 37872), (789, 26016), (813, 25248), (1052, 19512), (1084, 18936), (1578, 13008), (1626, 12624), (2104, 9756), (2168, 9468), (2367, 8672), (2439, 8416), (3156, 6504), (3252, 6312), (4208, 4878), (4336, 4734)]