20791423

素因数分解:

${\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 22096800

約数和(自身を除く): 1305377

約数列:

[1, 53, 59, 61, 109, 3127, 3233, 3599, 5777, 6431, 6649, 190747, 340843, 352397, 392291, 20791423]

約数ペア:

[(1, 20791423), (53, 392291), (59, 352397), (61, 340843), (109, 190747), (3127, 6649), (3233, 6431), (3599, 5777)]