20814045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1187}}^1$

素因数の和:1369

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17506083

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 167, 501, 835, 1169, 1187, 2505, 3507, 3561, 5845, 5935, 8309, 17535, 17805, 24927, 41545, 124635, 198229, 594687, 991145, 1387603, 2973435, 4162809, 6938015, 20814045]

約数ペア:

[(1, 20814045), (3, 6938015), (5, 4162809), (7, 2973435), (15, 1387603), (21, 991145), (35, 594687), (105, 198229), (167, 124635), (501, 41545), (835, 24927), (1169, 17805), (1187, 17535), (2505, 8309), (3507, 5935), (3561, 5845)]