39720438

素因数分解:

$2^1\times 3^2\times {\mathrm{863}}^1\times {\mathrm{2557}}^1$

素因数の和:3428

約数の個数: 24

約数和(自身を含む): 86194368

約数和(自身を除く): 46473930

約数列:

[1, 2, 3, 6, 9, 18, 863, 1726, 2557, 2589, 5114, 5178, 7671, 7767, 15342, 15534, 23013, 46026, 2206691, 4413382, 6620073, 13240146, 19860219, 39720438]

約数ペア:

[(1, 39720438), (2, 19860219), (3, 13240146), (6, 6620073), (9, 4413382), (18, 2206691), (863, 46026), (1726, 23013), (2557, 15534), (2589, 15342), (5114, 7767), (5178, 7671)]