20628636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1019}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 55292160

約数和(自身を除く): 34663524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 964, 1019, 1446, 1687, 2038, 2892, 3057, 3374, 4076, 5061, 6114, 6748, 7133, 10122, 12228, 14266, 20244, 21399, 28532, 42798, 85596, 245579, 491158, 736737, 982316, 1473474, 1719053, 2946948, 3438106, 5157159, 6876212, 10314318, 20628636]

約数ペア:

[(1, 20628636), (2, 10314318), (3, 6876212), (4, 5157159), (6, 3438106), (7, 2946948), (12, 1719053), (14, 1473474), (21, 982316), (28, 736737), (42, 491158), (84, 245579), (241, 85596), (482, 42798), (723, 28532), (964, 21399), (1019, 20244), (1446, 14266), (1687, 12228), (2038, 10122), (2892, 7133), (3057, 6748), (3374, 6114), (4076, 5061)]