20760568

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 19156232

約数列:

[1, 2, 4, 8, 79, 107, 158, 214, 307, 316, 428, 614, 632, 856, 1228, 2456, 8453, 16906, 24253, 32849, 33812, 48506, 65698, 67624, 97012, 131396, 194024, 262792, 2595071, 5190142, 10380284, 20760568]

約数ペア:

[(1, 20760568), (2, 10380284), (4, 5190142), (8, 2595071), (79, 262792), (107, 194024), (158, 131396), (214, 97012), (307, 67624), (316, 65698), (428, 48506), (614, 33812), (632, 32849), (856, 24253), (1228, 16906), (2456, 8453)]