20217456448

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{4261}}^1$

素因数の和:4393

約数の個数: 168

約数和(自身を含む): 49981241160

約数和(自身を除く): 29763784712

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 89, 98, 112, 119, 136, 178, 196, 224, 238, 272, 356, 392, 448, 476, 544, 623, 712, 784, 833, 952, 1088, 1246, 1424, 1513, 1568, 1666, 1904, 2492, 2848, 3026, 3136, 3332, 3808, 4261, 4361, 4984, 5696, 6052, 6664, 7616, 8522, 8722, 9968, 10591, 12104, 13328, 17044, 17444, 19936, 21182, 24208, 26656, 29827, 34088, 34888, 39872, 42364, 48416, 53312, 59654, 68176, 69776, 72437, 74137, 84728, 96832, 119308, 136352, 139552, 144874, 148274, 169456, 208789, 238616, 272704, 279104, 289748, 296548, 338912, 379229, 417578, 477232, 507059, 579496, 593096, 677824, 758458, 835156, 954464, 1014118, 1158992, 1186192, 1516916, 1670312, 1908928, 2028236, 2317984, 2372384, 2654603, 3033832, 3340624, 3549413, 4056472, 4635968, 4744768, 5309206, 6067664, 6446893, 6681248, 7098826, 8112944, 10618412, 12135328, 12893786, 13362496, 14197652, 16225888, 18582221, 21236824, 24270656, 25787572, 28395304, 32451776, 37164442, 42473648, 45128251, 51575144, 56790608, 74328884, 84947296, 90256502, 103150288, 113581216, 148657768, 169894592, 180513004, 206300576, 227162432, 297315536, 315897757, 361026008, 412601152, 594631072, 631795514, 722052016, 1189262144, 1263591028, 1444104032, 2527182056, 2888208064, 5054364112, 10108728224, 20217456448]

約数ペア:

[(1, 20217456448), (2, 10108728224), (4, 5054364112), (7, 2888208064), (8, 2527182056), (14, 1444104032), (16, 1263591028), (17, 1189262144), (28, 722052016), (32, 631795514), (34, 594631072), (49, 412601152), (56, 361026008), (64, 315897757), (68, 297315536), (89, 227162432), (98, 206300576), (112, 180513004), (119, 169894592), (136, 148657768), (178, 113581216), (196, 103150288), (224, 90256502), (238, 84947296), (272, 74328884), (356, 56790608), (392, 51575144), (448, 45128251), (476, 42473648), (544, 37164442), (623, 32451776), (712, 28395304), (784, 25787572), (833, 24270656), (952, 21236824), (1088, 18582221), (1246, 16225888), (1424, 14197652), (1513, 13362496), (1568, 12893786), (1666, 12135328), (1904, 10618412), (2492, 8112944), (2848, 7098826), (3026, 6681248), (3136, 6446893), (3332, 6067664), (3808, 5309206), (4261, 4744768), (4361, 4635968), (4984, 4056472), (5696, 3549413), (6052, 3340624), (6664, 3033832), (7616, 2654603), (8522, 2372384), (8722, 2317984), (9968, 2028236), (10591, 1908928), (12104, 1670312), (13328, 1516916), (17044, 1186192), (17444, 1158992), (19936, 1014118), (21182, 954464), (24208, 835156), (26656, 758458), (29827, 677824), (34088, 593096), (34888, 579496), (39872, 507059), (42364, 477232), (48416, 417578), (53312, 379229), (59654, 338912), (68176, 296548), (69776, 289748), (72437, 279104), (74137, 272704), (84728, 238616), (96832, 208789), (119308, 169456), (136352, 148274), (139552, 144874)]