20313805

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 24883200

約数和(自身を除く): 4569395

約数列:

[1, 5, 89, 191, 239, 445, 955, 1195, 16999, 21271, 45649, 84995, 106355, 228245, 4062761, 20313805]

約数ペア:

[(1, 20313805), (5, 4062761), (89, 228245), (191, 106355), (239, 84995), (445, 45649), (955, 21271), (1195, 16999)]