20844748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3863}}^1$

素因数の和:3957

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18104372

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3863, 5396, 7726, 15452, 73397, 146794, 274273, 293588, 548546, 1097092, 5211187, 10422374, 20844748]

約数ペア:

[(1, 20844748), (2, 10422374), (4, 5211187), (19, 1097092), (38, 548546), (71, 293588), (76, 274273), (142, 146794), (284, 73397), (1349, 15452), (2698, 7726), (3863, 5396)]