20489543

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 2320057

約数列:

[1, 19, 31, 43, 589, 809, 817, 1333, 15371, 25079, 25327, 34787, 476501, 660953, 1078397, 20489543]

約数ペア:

[(1, 20489543), (19, 1078397), (31, 660953), (43, 476501), (589, 34787), (809, 25327), (817, 25079), (1333, 15371)]