20780432

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14593}}^1$

素因数の和:14690

約数の個数: 20

約数和(自身を含む): 40717260

約数和(自身を除く): 19936828

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14593, 29186, 58372, 116744, 233488, 1298777, 2597554, 5195108, 10390216, 20780432]

約数ペア:

[(1, 20780432), (2, 10390216), (4, 5195108), (8, 2597554), (16, 1298777), (89, 233488), (178, 116744), (356, 58372), (712, 29186), (1424, 14593)]