20921164656

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{1217}}^1\times {\mathrm{7309}}^1$

素因数の和:8551

約数の個数: 120

約数和(自身を含む): 62930503440

約数和(自身を除く): 42009338784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 1217, 2352, 2434, 3651, 4868, 7302, 7309, 8519, 9736, 14604, 14618, 17038, 19472, 21927, 25557, 29208, 29236, 34076, 43854, 51114, 51163, 58416, 58472, 59633, 68152, 87708, 102228, 102326, 116944, 119266, 136304, 153489, 175416, 178899, 204456, 204652, 238532, 306978, 350832, 357798, 358141, 408912, 409304, 477064, 613956, 715596, 716282, 818608, 954128, 1074423, 1227912, 1431192, 1432564, 2148846, 2455824, 2862384, 2865128, 4297692, 5730256, 8595384, 8895053, 17190768, 17790106, 26685159, 35580212, 53370318, 62265371, 71160424, 106740636, 124530742, 142320848, 186796113, 213481272, 249061484, 373592226, 426962544, 435857597, 498122968, 747184452, 871715194, 996245936, 1307572791, 1494368904, 1743430388, 2615145582, 2988737808, 3486860776, 5230291164, 6973721552, 10460582328, 20921164656]

約数ペア:

[(1, 20921164656), (2, 10460582328), (3, 6973721552), (4, 5230291164), (6, 3486860776), (7, 2988737808), (8, 2615145582), (12, 1743430388), (14, 1494368904), (16, 1307572791), (21, 996245936), (24, 871715194), (28, 747184452), (42, 498122968), (48, 435857597), (49, 426962544), (56, 373592226), (84, 249061484), (98, 213481272), (112, 186796113), (147, 142320848), (168, 124530742), (196, 106740636), (294, 71160424), (336, 62265371), (392, 53370318), (588, 35580212), (784, 26685159), (1176, 17790106), (1217, 17190768), (2352, 8895053), (2434, 8595384), (3651, 5730256), (4868, 4297692), (7302, 2865128), (7309, 2862384), (8519, 2455824), (9736, 2148846), (14604, 1432564), (14618, 1431192), (17038, 1227912), (19472, 1074423), (21927, 954128), (25557, 818608), (29208, 716282), (29236, 715596), (34076, 613956), (43854, 477064), (51114, 409304), (51163, 408912), (58416, 358141), (58472, 357798), (59633, 350832), (68152, 306978), (87708, 238532), (102228, 204652), (102326, 204456), (116944, 178899), (119266, 175416), (136304, 153489)]