20377956

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 50489600

約数和(自身を除く): 30111644

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 643, 834, 1286, 1668, 1929, 2572, 2641, 3858, 5282, 7716, 7923, 10564, 12217, 15846, 24434, 31692, 36651, 48868, 73302, 89377, 146604, 178754, 268131, 357508, 536262, 1072524, 1698163, 3396326, 5094489, 6792652, 10188978, 20377956]

約数ペア:

[(1, 20377956), (2, 10188978), (3, 6792652), (4, 5094489), (6, 3396326), (12, 1698163), (19, 1072524), (38, 536262), (57, 357508), (76, 268131), (114, 178754), (139, 146604), (228, 89377), (278, 73302), (417, 48868), (556, 36651), (643, 31692), (834, 24434), (1286, 15846), (1668, 12217), (1929, 10564), (2572, 7923), (2641, 7716), (3858, 5282)]