20328974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31469}}^1$

素因数の和:31507

約数の個数: 16

約数和(自身を含む): 33987600

約数和(自身を除く): 13658626

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 31469, 62938, 534973, 597911, 1069946, 1195822, 10164487, 20328974]

約数ペア:

[(1, 20328974), (2, 10164487), (17, 1195822), (19, 1069946), (34, 597911), (38, 534973), (323, 62938), (646, 31469)]