20394696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 63694080

約数和(自身を除く): 43299384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 37, 42, 51, 56, 68, 74, 84, 102, 111, 119, 136, 148, 168, 193, 204, 222, 238, 259, 296, 357, 386, 408, 444, 476, 518, 579, 629, 714, 772, 777, 888, 952, 1036, 1158, 1258, 1351, 1428, 1544, 1554, 1887, 2072, 2316, 2516, 2702, 2856, 3108, 3281, 3774, 4053, 4403, 4632, 5032, 5404, 6216, 6562, 7141, 7548, 8106, 8806, 9843, 10808, 13124, 13209, 14282, 15096, 16212, 17612, 19686, 21423, 22967, 26248, 26418, 28564, 32424, 35224, 39372, 42846, 45934, 49987, 52836, 57128, 68901, 78744, 85692, 91868, 99974, 105672, 121397, 137802, 149961, 171384, 183736, 199948, 242794, 275604, 299922, 364191, 399896, 485588, 551208, 599844, 728382, 849779, 971176, 1199688, 1456764, 1699558, 2549337, 2913528, 3399116, 5098674, 6798232, 10197348, 20394696]

約数ペア:

[(1, 20394696), (2, 10197348), (3, 6798232), (4, 5098674), (6, 3399116), (7, 2913528), (8, 2549337), (12, 1699558), (14, 1456764), (17, 1199688), (21, 971176), (24, 849779), (28, 728382), (34, 599844), (37, 551208), (42, 485588), (51, 399896), (56, 364191), (68, 299922), (74, 275604), (84, 242794), (102, 199948), (111, 183736), (119, 171384), (136, 149961), (148, 137802), (168, 121397), (193, 105672), (204, 99974), (222, 91868), (238, 85692), (259, 78744), (296, 68901), (357, 57128), (386, 52836), (408, 49987), (444, 45934), (476, 42846), (518, 39372), (579, 35224), (629, 32424), (714, 28564), (772, 26418), (777, 26248), (888, 22967), (952, 21423), (1036, 19686), (1158, 17612), (1258, 16212), (1351, 15096), (1428, 14282), (1544, 13209), (1554, 13124), (1887, 10808), (2072, 9843), (2316, 8806), (2516, 8106), (2702, 7548), (2856, 7141), (3108, 6562), (3281, 6216), (3774, 5404), (4053, 5032), (4403, 4632)]