20091721181

素因数分解:

$7^1\times {\mathrm{239}}^1\times {\mathrm{1549}}^1\times {\mathrm{7753}}^1$

素因数の和:9548

約数の個数: 16

約数和(自身を含む): 23075904000

約数和(自身を除く): 2984182819

約数列:

[1, 7, 239, 1549, 1673, 7753, 10843, 54271, 370211, 1852967, 2591477, 12009397, 12970769, 84065779, 2870245883, 20091721181]

約数ペア:

[(1, 20091721181), (7, 2870245883), (239, 84065779), (1549, 12970769), (1673, 12009397), (7753, 2591477), (10843, 1852967), (54271, 370211)]