20351385

素因数分解:

$3^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16040295

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 233, 647, 699, 1165, 1941, 2097, 3235, 3495, 5823, 6291, 9705, 10485, 17469, 29115, 31455, 87345, 150751, 452253, 753755, 1356759, 2261265, 4070277, 6783795, 20351385]

約数ペア:

[(1, 20351385), (3, 6783795), (5, 4070277), (9, 2261265), (15, 1356759), (27, 753755), (45, 452253), (135, 150751), (233, 87345), (647, 31455), (699, 29115), (1165, 17469), (1941, 10485), (2097, 9705), (3235, 6291), (3495, 5823)]