20655566

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1\times {\mathrm{521}}^1$

素因数の和:1027

約数の個数: 16

約数和(自身を含む): 31833648

約数和(自身を除く): 11178082

約数列:

[1, 2, 43, 86, 461, 521, 922, 1042, 19823, 22403, 39646, 44806, 240181, 480362, 10327783, 20655566]

約数ペア:

[(1, 20655566), (2, 10327783), (43, 480362), (86, 240181), (461, 44806), (521, 39646), (922, 22403), (1042, 19823)]