20838748

素因数分解:

$2^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{991}}^1$

素因数の和:1753

約数の個数: 24

約数和(自身を含む): 41775104

約数和(自身を除く): 20936356

約数列:

[1, 2, 4, 7, 14, 28, 751, 991, 1502, 1982, 3004, 3964, 5257, 6937, 10514, 13874, 21028, 27748, 744241, 1488482, 2976964, 5209687, 10419374, 20838748]

約数ペア:

[(1, 20838748), (2, 10419374), (4, 5209687), (7, 2976964), (14, 1488482), (28, 744241), (751, 27748), (991, 21028), (1502, 13874), (1982, 10514), (3004, 6937), (3964, 5257)]