20431992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 63475200

約数和(自身を除く): 43043208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 37, 38, 42, 56, 57, 74, 76, 84, 111, 114, 133, 148, 152, 168, 173, 222, 228, 259, 266, 296, 346, 399, 444, 456, 518, 519, 532, 692, 703, 777, 798, 888, 1036, 1038, 1064, 1211, 1384, 1406, 1554, 1596, 2072, 2076, 2109, 2422, 2812, 3108, 3192, 3287, 3633, 4152, 4218, 4844, 4921, 5624, 6216, 6401, 6574, 7266, 8436, 9688, 9842, 9861, 12802, 13148, 14532, 14763, 16872, 19203, 19684, 19722, 23009, 25604, 26296, 29064, 29526, 38406, 39368, 39444, 44807, 46018, 51208, 59052, 69027, 76812, 78888, 89614, 92036, 118104, 121619, 134421, 138054, 153624, 179228, 184072, 243238, 268842, 276108, 358456, 364857, 486476, 537684, 552216, 729714, 851333, 972952, 1075368, 1459428, 1702666, 2553999, 2918856, 3405332, 5107998, 6810664, 10215996, 20431992]

約数ペア:

[(1, 20431992), (2, 10215996), (3, 6810664), (4, 5107998), (6, 3405332), (7, 2918856), (8, 2553999), (12, 1702666), (14, 1459428), (19, 1075368), (21, 972952), (24, 851333), (28, 729714), (37, 552216), (38, 537684), (42, 486476), (56, 364857), (57, 358456), (74, 276108), (76, 268842), (84, 243238), (111, 184072), (114, 179228), (133, 153624), (148, 138054), (152, 134421), (168, 121619), (173, 118104), (222, 92036), (228, 89614), (259, 78888), (266, 76812), (296, 69027), (346, 59052), (399, 51208), (444, 46018), (456, 44807), (518, 39444), (519, 39368), (532, 38406), (692, 29526), (703, 29064), (777, 26296), (798, 25604), (888, 23009), (1036, 19722), (1038, 19684), (1064, 19203), (1211, 16872), (1384, 14763), (1406, 14532), (1554, 13148), (1596, 12802), (2072, 9861), (2076, 9842), (2109, 9688), (2422, 8436), (2812, 7266), (3108, 6574), (3192, 6401), (3287, 6216), (3633, 5624), (4152, 4921), (4218, 4844)]