20684748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{246247}}^1$

素因数の和:246261

約数の個数: 24

約数和(自身を含む): 55159552

約数和(自身を除く): 34474804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 246247, 492494, 738741, 984988, 1477482, 1723729, 2954964, 3447458, 5171187, 6894916, 10342374, 20684748]

約数ペア:

[(1, 20684748), (2, 10342374), (3, 6894916), (4, 5171187), (6, 3447458), (7, 2954964), (12, 1723729), (14, 1477482), (21, 984988), (28, 738741), (42, 492494), (84, 246247)]