20469561

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1319}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 31257600

約数和(自身を除く): 10788039

約数列:

[1, 3, 7, 21, 739, 1319, 2217, 3957, 5173, 9233, 15519, 27699, 974741, 2924223, 6823187, 20469561]

約数ペア:

[(1, 20469561), (3, 6823187), (7, 2924223), (21, 974741), (739, 27699), (1319, 15519), (2217, 9233), (3957, 5173)]