20979238

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51673}}^1$

素因数の和:51711

約数の個数: 16

約数和(自身を含む): 37205280

約数和(自身を除く): 16226042

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 51673, 103346, 361711, 723422, 1498517, 2997034, 10489619, 20979238]

約数ペア:

[(1, 20979238), (2, 10489619), (7, 2997034), (14, 1498517), (29, 723422), (58, 361711), (203, 103346), (406, 51673)]