20538084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 55193600

約数和(自身を除く): 34655516

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1759, 1946, 2919, 3518, 3892, 5277, 5838, 7036, 10554, 11676, 12313, 21108, 24626, 36939, 49252, 73878, 147756, 244501, 489002, 733503, 978004, 1467006, 1711507, 2934012, 3423014, 5134521, 6846028, 10269042, 20538084]

約数ペア:

[(1, 20538084), (2, 10269042), (3, 6846028), (4, 5134521), (6, 3423014), (7, 2934012), (12, 1711507), (14, 1467006), (21, 978004), (28, 733503), (42, 489002), (84, 244501), (139, 147756), (278, 73878), (417, 49252), (556, 36939), (834, 24626), (973, 21108), (1668, 12313), (1759, 11676), (1946, 10554), (2919, 7036), (3518, 5838), (3892, 5277)]