20778858688

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{333679}}^1$

素因数の和:333837

約数の個数: 56

約数和(自身を含む): 47462643200

約数和(自身を除く): 26683784512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 448, 556, 973, 1112, 1946, 2224, 3892, 4448, 7784, 8896, 15568, 31136, 62272, 333679, 667358, 1334716, 2335753, 2669432, 4671506, 5338864, 9343012, 10677728, 18686024, 21355456, 37372048, 46381381, 74744096, 92762762, 149488192, 185525524, 324669667, 371051048, 649339334, 742102096, 1298678668, 1484204192, 2597357336, 2968408384, 5194714672, 10389429344, 20778858688]

約数ペア:

[(1, 20778858688), (2, 10389429344), (4, 5194714672), (7, 2968408384), (8, 2597357336), (14, 1484204192), (16, 1298678668), (28, 742102096), (32, 649339334), (56, 371051048), (64, 324669667), (112, 185525524), (139, 149488192), (224, 92762762), (278, 74744096), (448, 46381381), (556, 37372048), (973, 21355456), (1112, 18686024), (1946, 10677728), (2224, 9343012), (3892, 5338864), (4448, 4671506), (7784, 2669432), (8896, 2335753), (15568, 1334716), (31136, 667358), (62272, 333679)]