20917554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{3583}}^1$

素因数の和:3734

約数の個数: 32

約数和(自身を含む): 48168960

約数和(自身を除く): 27251406

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 3583, 5838, 7166, 10749, 21498, 25081, 50162, 75243, 150486, 498037, 996074, 1494111, 2988222, 3486259, 6972518, 10458777, 20917554]

約数ペア:

[(1, 20917554), (2, 10458777), (3, 6972518), (6, 3486259), (7, 2988222), (14, 1494111), (21, 996074), (42, 498037), (139, 150486), (278, 75243), (417, 50162), (834, 25081), (973, 21498), (1946, 10749), (2919, 7166), (3583, 5838)]