20763105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 18635295

約数列:

[1, 3, 5, 11, 15, 19, 33, 37, 55, 57, 95, 111, 165, 179, 185, 209, 285, 407, 537, 555, 627, 703, 895, 1045, 1221, 1969, 2035, 2109, 2685, 3135, 3401, 3515, 5907, 6105, 6623, 7733, 9845, 10203, 10545, 17005, 19869, 23199, 29535, 33115, 37411, 38665, 51015, 72853, 99345, 112233, 115995, 125837, 187055, 218559, 364265, 377511, 561165, 629185, 1092795, 1384207, 1887555, 4152621, 6921035, 20763105]

約数ペア:

[(1, 20763105), (3, 6921035), (5, 4152621), (11, 1887555), (15, 1384207), (19, 1092795), (33, 629185), (37, 561165), (55, 377511), (57, 364265), (95, 218559), (111, 187055), (165, 125837), (179, 115995), (185, 112233), (209, 99345), (285, 72853), (407, 51015), (537, 38665), (555, 37411), (627, 33115), (703, 29535), (895, 23199), (1045, 19869), (1221, 17005), (1969, 10545), (2035, 10203), (2109, 9845), (2685, 7733), (3135, 6623), (3401, 6105), (3515, 5907)]