20840929

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 23474880

約数和(自身を除く): 2633951

約数列:

[1, 17, 19, 113, 323, 571, 1921, 2147, 9707, 10849, 36499, 64523, 184433, 1096891, 1225937, 20840929]

約数ペア:

[(1, 20840929), (17, 1225937), (19, 1096891), (113, 184433), (323, 64523), (571, 36499), (1921, 10849), (2147, 9707)]