20472816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 160

約数和(自身を含む): 67217920

約数和(自身を除く): 46745104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 43, 48, 52, 56, 78, 84, 86, 91, 104, 109, 112, 129, 156, 168, 172, 182, 208, 218, 258, 273, 301, 312, 327, 336, 344, 364, 436, 516, 546, 559, 602, 624, 654, 688, 728, 763, 872, 903, 1032, 1092, 1118, 1204, 1308, 1417, 1456, 1526, 1677, 1744, 1806, 2064, 2184, 2236, 2289, 2408, 2616, 2834, 3052, 3354, 3612, 3913, 4251, 4368, 4472, 4578, 4687, 4816, 5232, 5668, 6104, 6708, 7224, 7826, 8502, 8944, 9156, 9374, 9919, 11336, 11739, 12208, 13416, 14061, 14448, 15652, 17004, 18312, 18748, 19838, 22672, 23478, 26832, 28122, 29757, 31304, 32809, 34008, 36624, 37496, 39676, 46956, 56244, 59514, 60931, 62608, 65618, 68016, 74992, 79352, 93912, 98427, 112488, 119028, 121862, 131236, 158704, 182793, 187824, 196854, 224976, 238056, 243724, 262472, 365586, 393708, 426517, 476112, 487448, 524944, 731172, 787416, 853034, 974896, 1279551, 1462344, 1574832, 1706068, 2559102, 2924688, 3412136, 5118204, 6824272, 10236408, 20472816]

約数ペア:

[(1, 20472816), (2, 10236408), (3, 6824272), (4, 5118204), (6, 3412136), (7, 2924688), (8, 2559102), (12, 1706068), (13, 1574832), (14, 1462344), (16, 1279551), (21, 974896), (24, 853034), (26, 787416), (28, 731172), (39, 524944), (42, 487448), (43, 476112), (48, 426517), (52, 393708), (56, 365586), (78, 262472), (84, 243724), (86, 238056), (91, 224976), (104, 196854), (109, 187824), (112, 182793), (129, 158704), (156, 131236), (168, 121862), (172, 119028), (182, 112488), (208, 98427), (218, 93912), (258, 79352), (273, 74992), (301, 68016), (312, 65618), (327, 62608), (336, 60931), (344, 59514), (364, 56244), (436, 46956), (516, 39676), (546, 37496), (559, 36624), (602, 34008), (624, 32809), (654, 31304), (688, 29757), (728, 28122), (763, 26832), (872, 23478), (903, 22672), (1032, 19838), (1092, 18748), (1118, 18312), (1204, 17004), (1308, 15652), (1417, 14448), (1456, 14061), (1526, 13416), (1677, 12208), (1744, 11739), (1806, 11336), (2064, 9919), (2184, 9374), (2236, 9156), (2289, 8944), (2408, 8502), (2616, 7826), (2834, 7224), (3052, 6708), (3354, 6104), (3612, 5668), (3913, 5232), (4251, 4816), (4368, 4687), (4472, 4578)]