20842561

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 23207040

約数和(自身を除く): 2364479

約数列:

[1, 17, 29, 67, 493, 631, 1139, 1943, 10727, 18299, 33031, 42277, 311083, 718709, 1226033, 20842561]

約数ペア:

[(1, 20842561), (17, 1226033), (29, 718709), (67, 311083), (493, 42277), (631, 33031), (1139, 18299), (1943, 10727)]