20288826

素因数分解:

$2^1\times 3^3\times {\mathrm{241}}^1\times {\mathrm{1559}}^1$

素因数の和:1811

約数の個数: 32

約数和(自身を含む): 45302400

約数和(自身を除く): 25013574

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 241, 482, 723, 1446, 1559, 2169, 3118, 4338, 4677, 6507, 9354, 13014, 14031, 28062, 42093, 84186, 375719, 751438, 1127157, 2254314, 3381471, 6762942, 10144413, 20288826]

約数ペア:

[(1, 20288826), (2, 10144413), (3, 6762942), (6, 3381471), (9, 2254314), (18, 1127157), (27, 751438), (54, 375719), (241, 84186), (482, 42093), (723, 28062), (1446, 14031), (1559, 13014), (2169, 9354), (3118, 6507), (4338, 4677)]