20409968385

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{666013}}^1$

素因数の和:666254

約数の個数: 32

約数和(自身を含む): 36444286080

約数和(自身を除く): 16034317695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 1135, 2043, 3405, 6129, 10215, 30645, 666013, 1998039, 3330065, 5994117, 9990195, 17982351, 29970585, 89911755, 151184951, 453554853, 755924755, 1360664559, 2267774265, 4081993677, 6803322795, 20409968385]

約数ペア:

[(1, 20409968385), (3, 6803322795), (5, 4081993677), (9, 2267774265), (15, 1360664559), (27, 755924755), (45, 453554853), (135, 151184951), (227, 89911755), (681, 29970585), (1135, 17982351), (2043, 9990195), (3405, 5994117), (6129, 3330065), (10215, 1998039), (30645, 666013)]