20451032

素因数分解:

$2^3\times 7^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 46440000

約数和(自身を除く): 25988968

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 196, 203, 232, 257, 343, 392, 406, 514, 686, 812, 1028, 1372, 1421, 1624, 1799, 2056, 2744, 2842, 3598, 5684, 7196, 7453, 9947, 11368, 12593, 14392, 14906, 19894, 25186, 29812, 39788, 50372, 52171, 59624, 79576, 88151, 100744, 104342, 176302, 208684, 352604, 365197, 417368, 705208, 730394, 1460788, 2556379, 2921576, 5112758, 10225516, 20451032]

約数ペア:

[(1, 20451032), (2, 10225516), (4, 5112758), (7, 2921576), (8, 2556379), (14, 1460788), (28, 730394), (29, 705208), (49, 417368), (56, 365197), (58, 352604), (98, 208684), (116, 176302), (196, 104342), (203, 100744), (232, 88151), (257, 79576), (343, 59624), (392, 52171), (406, 50372), (514, 39788), (686, 29812), (812, 25186), (1028, 19894), (1372, 14906), (1421, 14392), (1624, 12593), (1799, 11368), (2056, 9947), (2744, 7453), (2842, 7196), (3598, 5684)]