20905358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2467}}^1$

素因数の和:2711

約数の個数: 16

約数和(自身を含む): 33169920

約数和(自身を除く): 12264562

約数列:

[1, 2, 19, 38, 223, 446, 2467, 4237, 4934, 8474, 46873, 93746, 550141, 1100282, 10452679, 20905358]

約数ペア:

[(1, 20905358), (2, 10452679), (19, 1100282), (38, 550141), (223, 93746), (446, 46873), (2467, 8474), (4237, 4934)]