20667456

素因数分解:

$2^6\times 3^2\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:748

約数の個数: 84

約数和(自身を含む): 60446412

約数和(自身を除く): 39778956

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 53, 64, 72, 96, 106, 144, 159, 192, 212, 288, 318, 424, 477, 576, 636, 677, 848, 954, 1272, 1354, 1696, 1908, 2031, 2544, 2708, 3392, 3816, 4062, 5088, 5416, 6093, 7632, 8124, 10176, 10832, 12186, 15264, 16248, 21664, 24372, 30528, 32496, 35881, 43328, 48744, 64992, 71762, 97488, 107643, 129984, 143524, 194976, 215286, 287048, 322929, 389952, 430572, 574096, 645858, 861144, 1148192, 1291716, 1722288, 2296384, 2583432, 3444576, 5166864, 6889152, 10333728, 20667456]

約数ペア:

[(1, 20667456), (2, 10333728), (3, 6889152), (4, 5166864), (6, 3444576), (8, 2583432), (9, 2296384), (12, 1722288), (16, 1291716), (18, 1148192), (24, 861144), (32, 645858), (36, 574096), (48, 430572), (53, 389952), (64, 322929), (72, 287048), (96, 215286), (106, 194976), (144, 143524), (159, 129984), (192, 107643), (212, 97488), (288, 71762), (318, 64992), (424, 48744), (477, 43328), (576, 35881), (636, 32496), (677, 30528), (848, 24372), (954, 21664), (1272, 16248), (1354, 15264), (1696, 12186), (1908, 10832), (2031, 10176), (2544, 8124), (2708, 7632), (3392, 6093), (3816, 5416), (4062, 5088)]