20641878

素因数分解:

$2^1\times 3^5\times {\mathrm{42473}}^1$

素因数の和:42490

約数の個数: 24

約数和(自身を含む): 46381608

約数和(自身を除く): 25739730

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 42473, 84946, 127419, 254838, 382257, 764514, 1146771, 2293542, 3440313, 6880626, 10320939, 20641878]

約数ペア:

[(1, 20641878), (2, 10320939), (3, 6880626), (6, 3440313), (9, 2293542), (18, 1146771), (27, 764514), (54, 382257), (81, 254838), (162, 127419), (243, 84946), (486, 42473)]