20180984

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 40219200

約数和(自身を除く): 20038216

約数列:

[1, 2, 4, 8, 29, 37, 58, 74, 116, 148, 232, 296, 1073, 2146, 2351, 4292, 4702, 8584, 9404, 18808, 68179, 86987, 136358, 173974, 272716, 347948, 545432, 695896, 2522623, 5045246, 10090492, 20180984]

約数ペア:

[(1, 20180984), (2, 10090492), (4, 5045246), (8, 2522623), (29, 695896), (37, 545432), (58, 347948), (74, 272716), (116, 173974), (148, 136358), (232, 86987), (296, 68179), (1073, 18808), (2146, 9404), (2351, 8584), (4292, 4702)]