20538144

素因数分解:

$2^5\times 3^3\times {\mathrm{11}}^1\times {\mathrm{2161}}^1$

素因数の和:2191

約数の個数: 96

約数和(自身を含む): 65378880

約数和(自身を除く): 44840736

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 66, 72, 88, 96, 99, 108, 132, 144, 176, 198, 216, 264, 288, 297, 352, 396, 432, 528, 594, 792, 864, 1056, 1188, 1584, 2161, 2376, 3168, 4322, 4752, 6483, 8644, 9504, 12966, 17288, 19449, 23771, 25932, 34576, 38898, 47542, 51864, 58347, 69152, 71313, 77796, 95084, 103728, 116694, 142626, 155592, 190168, 207456, 213939, 233388, 285252, 311184, 380336, 427878, 466776, 570504, 622368, 641817, 760672, 855756, 933552, 1141008, 1283634, 1711512, 1867104, 2282016, 2567268, 3423024, 5134536, 6846048, 10269072, 20538144]

約数ペア:

[(1, 20538144), (2, 10269072), (3, 6846048), (4, 5134536), (6, 3423024), (8, 2567268), (9, 2282016), (11, 1867104), (12, 1711512), (16, 1283634), (18, 1141008), (22, 933552), (24, 855756), (27, 760672), (32, 641817), (33, 622368), (36, 570504), (44, 466776), (48, 427878), (54, 380336), (66, 311184), (72, 285252), (88, 233388), (96, 213939), (99, 207456), (108, 190168), (132, 155592), (144, 142626), (176, 116694), (198, 103728), (216, 95084), (264, 77796), (288, 71313), (297, 69152), (352, 58347), (396, 51864), (432, 47542), (528, 38898), (594, 34576), (792, 25932), (864, 23771), (1056, 19449), (1188, 17288), (1584, 12966), (2161, 9504), (2376, 8644), (3168, 6483), (4322, 4752)]