20009261208

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1087}}^1\times {\mathrm{17837}}^1$

素因数の和:18976

約数の個数: 64

約数和(自身を含む): 51236444160

約数和(自身を除く): 31227182952

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 1087, 2174, 3261, 4348, 6522, 8696, 13044, 17837, 26088, 35674, 46741, 53511, 71348, 93482, 107022, 140223, 142696, 186964, 214044, 280446, 373928, 428088, 560892, 766991, 1121784, 1533982, 2300973, 3067964, 4601946, 6135928, 9203892, 18407784, 19388819, 38777638, 58166457, 77555276, 116332914, 155110552, 232665828, 465331656, 833719217, 1667438434, 2501157651, 3334876868, 5002315302, 6669753736, 10004630604, 20009261208]

約数ペア:

[(1, 20009261208), (2, 10004630604), (3, 6669753736), (4, 5002315302), (6, 3334876868), (8, 2501157651), (12, 1667438434), (24, 833719217), (43, 465331656), (86, 232665828), (129, 155110552), (172, 116332914), (258, 77555276), (344, 58166457), (516, 38777638), (1032, 19388819), (1087, 18407784), (2174, 9203892), (3261, 6135928), (4348, 4601946), (6522, 3067964), (8696, 2300973), (13044, 1533982), (17837, 1121784), (26088, 766991), (35674, 560892), (46741, 428088), (53511, 373928), (71348, 280446), (93482, 214044), (107022, 186964), (140223, 142696)]