20613699

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 30928352

約数和(自身を除く): 10314653

約数列:

[1, 3, 9, 37, 103, 111, 309, 333, 601, 927, 1803, 3811, 5409, 11433, 22237, 34299, 61903, 66711, 185709, 200133, 557127, 2290411, 6871233, 20613699]

約数ペア:

[(1, 20613699), (3, 6871233), (9, 2290411), (37, 557127), (103, 200133), (111, 185709), (309, 66711), (333, 61903), (601, 34299), (927, 22237), (1803, 11433), (3811, 5409)]