20372718

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 42178176

約数和(自身を除く): 21805458

約数列:

[1, 2, 3, 6, 37, 74, 111, 163, 222, 326, 489, 563, 978, 1126, 1689, 3378, 6031, 12062, 18093, 20831, 36186, 41662, 62493, 91769, 124986, 183538, 275307, 550614, 3395453, 6790906, 10186359, 20372718]

約数ペア:

[(1, 20372718), (2, 10186359), (3, 6790906), (6, 3395453), (37, 550614), (74, 275307), (111, 183538), (163, 124986), (222, 91769), (326, 62493), (489, 41662), (563, 36186), (978, 20831), (1126, 18093), (1689, 12062), (3378, 6031)]