20625264

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 65286000

約数和(自身を除く): 44660736

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 449, 464, 522, 528, 638, 696, 792, 898, 957, 1044, 1276, 1347, 1392, 1584, 1796, 1914, 2088, 2552, 2694, 2871, 3592, 3828, 4041, 4176, 4939, 5104, 5388, 5742, 7184, 7656, 8082, 9878, 10776, 11484, 13021, 14817, 15312, 16164, 19756, 21552, 22968, 26042, 29634, 32328, 39063, 39512, 44451, 45936, 52084, 59268, 64656, 78126, 79024, 88902, 104168, 117189, 118536, 143231, 156252, 177804, 208336, 234378, 237072, 286462, 312504, 355608, 429693, 468756, 572924, 625008, 711216, 859386, 937512, 1145848, 1289079, 1718772, 1875024, 2291696, 2578158, 3437544, 5156316, 6875088, 10312632, 20625264]

約数ペア:

[(1, 20625264), (2, 10312632), (3, 6875088), (4, 5156316), (6, 3437544), (8, 2578158), (9, 2291696), (11, 1875024), (12, 1718772), (16, 1289079), (18, 1145848), (22, 937512), (24, 859386), (29, 711216), (33, 625008), (36, 572924), (44, 468756), (48, 429693), (58, 355608), (66, 312504), (72, 286462), (87, 237072), (88, 234378), (99, 208336), (116, 177804), (132, 156252), (144, 143231), (174, 118536), (176, 117189), (198, 104168), (232, 88902), (261, 79024), (264, 78126), (319, 64656), (348, 59268), (396, 52084), (449, 45936), (464, 44451), (522, 39512), (528, 39063), (638, 32328), (696, 29634), (792, 26042), (898, 22968), (957, 21552), (1044, 19756), (1276, 16164), (1347, 15312), (1392, 14817), (1584, 13021), (1796, 11484), (1914, 10776), (2088, 9878), (2552, 8082), (2694, 7656), (2871, 7184), (3592, 5742), (3828, 5388), (4041, 5104), (4176, 4939)]