20772318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{13367}}^1$

素因数の和:13416

約数の個数: 32

約数和(自身を含む): 48766464

約数和(自身を除く): 27994146

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 13367, 26734, 40101, 80202, 93569, 187138, 280707, 494579, 561414, 989158, 1483737, 2967474, 3462053, 6924106, 10386159, 20772318]

約数ペア:

[(1, 20772318), (2, 10386159), (3, 6924106), (6, 3462053), (7, 2967474), (14, 1483737), (21, 989158), (37, 561414), (42, 494579), (74, 280707), (111, 187138), (222, 93569), (259, 80202), (518, 40101), (777, 26734), (1554, 13367)]