20517640416

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{260959}}^1$

素因数の和:260998

約数の個数: 192

約数和(自身を含む): 73653350400

約数和(自身を除く): 53135709984

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 27, 28, 32, 36, 39, 42, 48, 52, 54, 56, 63, 72, 78, 84, 91, 96, 104, 108, 112, 117, 126, 144, 156, 168, 182, 189, 208, 216, 224, 234, 252, 273, 288, 312, 336, 351, 364, 378, 416, 432, 468, 504, 546, 624, 672, 702, 728, 756, 819, 864, 936, 1008, 1092, 1248, 1404, 1456, 1512, 1638, 1872, 2016, 2184, 2457, 2808, 2912, 3024, 3276, 3744, 4368, 4914, 5616, 6048, 6552, 8736, 9828, 11232, 13104, 19656, 26208, 39312, 78624, 260959, 521918, 782877, 1043836, 1565754, 1826713, 2087672, 2348631, 3131508, 3392467, 3653426, 4175344, 4697262, 5480139, 6263016, 6784934, 7045893, 7306852, 8350688, 9394524, 10177401, 10960278, 12526032, 13569868, 14091786, 14613704, 16440417, 18789048, 20354802, 21920556, 23747269, 25052064, 27139736, 28183572, 29227408, 30532203, 32880834, 37578096, 40709604, 43841112, 47494538, 49321251, 54279472, 56367144, 58454816, 61064406, 65761668, 71241807, 75156192, 81419208, 87682224, 91596609, 94989076, 98642502, 108558944, 112734288, 122128812, 131523336, 142483614, 162838416, 175364448, 183193218, 189978152, 197285004, 213725421, 225468576, 244257624, 263046672, 284967228, 325676832, 366386436, 379956304, 394570008, 427450842, 488515248, 526093344, 569934456, 641176263, 732772872, 759912608, 789140016, 854901684, 977030496, 1139868912, 1282352526, 1465545744, 1578280032, 1709803368, 2279737824, 2564705052, 2931091488, 3419606736, 5129410104, 6839213472, 10258820208, 20517640416]

約数ペア:

[(1, 20517640416), (2, 10258820208), (3, 6839213472), (4, 5129410104), (6, 3419606736), (7, 2931091488), (8, 2564705052), (9, 2279737824), (12, 1709803368), (13, 1578280032), (14, 1465545744), (16, 1282352526), (18, 1139868912), (21, 977030496), (24, 854901684), (26, 789140016), (27, 759912608), (28, 732772872), (32, 641176263), (36, 569934456), (39, 526093344), (42, 488515248), (48, 427450842), (52, 394570008), (54, 379956304), (56, 366386436), (63, 325676832), (72, 284967228), (78, 263046672), (84, 244257624), (91, 225468576), (96, 213725421), (104, 197285004), (108, 189978152), (112, 183193218), (117, 175364448), (126, 162838416), (144, 142483614), (156, 131523336), (168, 122128812), (182, 112734288), (189, 108558944), (208, 98642502), (216, 94989076), (224, 91596609), (234, 87682224), (252, 81419208), (273, 75156192), (288, 71241807), (312, 65761668), (336, 61064406), (351, 58454816), (364, 56367144), (378, 54279472), (416, 49321251), (432, 47494538), (468, 43841112), (504, 40709604), (546, 37578096), (624, 32880834), (672, 30532203), (702, 29227408), (728, 28183572), (756, 27139736), (819, 25052064), (864, 23747269), (936, 21920556), (1008, 20354802), (1092, 18789048), (1248, 16440417), (1404, 14613704), (1456, 14091786), (1512, 13569868), (1638, 12526032), (1872, 10960278), (2016, 10177401), (2184, 9394524), (2457, 8350688), (2808, 7306852), (2912, 7045893), (3024, 6784934), (3276, 6263016), (3744, 5480139), (4368, 4697262), (4914, 4175344), (5616, 3653426), (6048, 3392467), (6552, 3131508), (8736, 2348631), (9828, 2087672), (11232, 1826713), (13104, 1565754), (19656, 1043836), (26208, 782877), (39312, 521918), (78624, 260959)]