20873587

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 24820992

約数和(自身を除く): 3947405

約数列:

[1, 7, 37, 83, 259, 581, 971, 3071, 6797, 21497, 35927, 80593, 251489, 564151, 2981941, 20873587]

約数ペア:

[(1, 20873587), (7, 2981941), (37, 564151), (83, 251489), (259, 80593), (581, 35927), (971, 21497), (3071, 6797)]