20661854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{6551}}^1$

素因数の和:6655

約数の個数: 16

約数和(自身を含む): 33022080

約数和(自身を除く): 12360226

約数列:

[1, 2, 19, 38, 83, 166, 1577, 3154, 6551, 13102, 124469, 248938, 543733, 1087466, 10330927, 20661854]

約数ペア:

[(1, 20661854), (2, 10330927), (19, 1087466), (38, 543733), (83, 248938), (166, 124469), (1577, 13102), (3154, 6551)]