20451456

素因数分解:

$2^7\times 3^2\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 96

約数和(自身を含む): 60425820

約数和(自身を除く): 39974364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 64, 72, 82, 96, 123, 128, 144, 164, 192, 246, 288, 328, 369, 384, 433, 492, 576, 656, 738, 866, 984, 1152, 1299, 1312, 1476, 1732, 1968, 2598, 2624, 2952, 3464, 3897, 3936, 5196, 5248, 5904, 6928, 7794, 7872, 10392, 11808, 13856, 15588, 15744, 17753, 20784, 23616, 27712, 31176, 35506, 41568, 47232, 53259, 55424, 62352, 71012, 83136, 106518, 124704, 142024, 159777, 166272, 213036, 249408, 284048, 319554, 426072, 498816, 568096, 639108, 852144, 1136192, 1278216, 1704288, 2272384, 2556432, 3408576, 5112864, 6817152, 10225728, 20451456]

約数ペア:

[(1, 20451456), (2, 10225728), (3, 6817152), (4, 5112864), (6, 3408576), (8, 2556432), (9, 2272384), (12, 1704288), (16, 1278216), (18, 1136192), (24, 852144), (32, 639108), (36, 568096), (41, 498816), (48, 426072), (64, 319554), (72, 284048), (82, 249408), (96, 213036), (123, 166272), (128, 159777), (144, 142024), (164, 124704), (192, 106518), (246, 83136), (288, 71012), (328, 62352), (369, 55424), (384, 53259), (433, 47232), (492, 41568), (576, 35506), (656, 31176), (738, 27712), (866, 23616), (984, 20784), (1152, 17753), (1299, 15744), (1312, 15588), (1476, 13856), (1732, 11808), (1968, 10392), (2598, 7872), (2624, 7794), (2952, 6928), (3464, 5904), (3897, 5248), (3936, 5196)]