20514921

素因数分解:

$3^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{1187}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 31325184

約数和(自身を除く): 10810263

約数列:

[1, 3, 7, 21, 823, 1187, 2469, 3561, 5761, 8309, 17283, 24927, 976901, 2930703, 6838307, 20514921]

約数ペア:

[(1, 20514921), (3, 6838307), (7, 2930703), (21, 976901), (823, 24927), (1187, 17283), (2469, 8309), (3561, 5761)]