20390496

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1636

約数の個数: 96

約数和(自身を含む): 64431360

約数和(自身を除く): 44040864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 96, 112, 114, 133, 152, 168, 224, 228, 266, 304, 336, 399, 456, 532, 608, 672, 798, 912, 1064, 1596, 1597, 1824, 2128, 3192, 3194, 4256, 4791, 6384, 6388, 9582, 11179, 12768, 12776, 19164, 22358, 25552, 30343, 33537, 38328, 44716, 51104, 60686, 67074, 76656, 89432, 91029, 121372, 134148, 153312, 178864, 182058, 212401, 242744, 268296, 357728, 364116, 424802, 485488, 536592, 637203, 728232, 849604, 970976, 1073184, 1274406, 1456464, 1699208, 2548812, 2912928, 3398416, 5097624, 6796832, 10195248, 20390496]

約数ペア:

[(1, 20390496), (2, 10195248), (3, 6796832), (4, 5097624), (6, 3398416), (7, 2912928), (8, 2548812), (12, 1699208), (14, 1456464), (16, 1274406), (19, 1073184), (21, 970976), (24, 849604), (28, 728232), (32, 637203), (38, 536592), (42, 485488), (48, 424802), (56, 364116), (57, 357728), (76, 268296), (84, 242744), (96, 212401), (112, 182058), (114, 178864), (133, 153312), (152, 134148), (168, 121372), (224, 91029), (228, 89432), (266, 76656), (304, 67074), (336, 60686), (399, 51104), (456, 44716), (532, 38328), (608, 33537), (672, 30343), (798, 25552), (912, 22358), (1064, 19164), (1596, 12776), (1597, 12768), (1824, 11179), (2128, 9582), (3192, 6388), (3194, 6384), (4256, 4791)]