20866552

素因数分解:

$2^3\times 7^2\times {\mathrm{53231}}^1$

素因数の和:53251

約数の個数: 24

約数和(自身を含む): 45513360

約数和(自身を除く): 24646808

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53231, 106462, 212924, 372617, 425848, 745234, 1490468, 2608319, 2980936, 5216638, 10433276, 20866552]

約数ペア:

[(1, 20866552), (2, 10433276), (4, 5216638), (7, 2980936), (8, 2608319), (14, 1490468), (28, 745234), (49, 425848), (56, 372617), (98, 212924), (196, 106462), (392, 53231)]