20173817872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1\times {\mathrm{1553}}^1$

素因数の和:1785

約数の個数: 120

約数和(自身を含む): 44711060184

約数和(自身を除く): 24537242312

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 173, 208, 247, 304, 346, 361, 494, 692, 722, 988, 1384, 1444, 1553, 1976, 2249, 2768, 2888, 3106, 3287, 3952, 4498, 4693, 5776, 6212, 6574, 8996, 9386, 12424, 13148, 17992, 18772, 20189, 24848, 26296, 29507, 35984, 37544, 40378, 42731, 52592, 59014, 62453, 75088, 80756, 85462, 118028, 124906, 161512, 170924, 236056, 249812, 268669, 323024, 341848, 383591, 472112, 499624, 537338, 560633, 683696, 767182, 811889, 999248, 1074676, 1121266, 1534364, 1623778, 2149352, 2242532, 3068728, 3247556, 3492697, 4298704, 4485064, 5104711, 6137456, 6495112, 6985394, 7288229, 8970128, 10209422, 12990224, 13970788, 14576458, 20418844, 27941576, 29152916, 40837688, 55883152, 58305832, 66361243, 81675376, 96989509, 116611664, 132722486, 193979018, 265444972, 387958036, 530889944, 775916072, 1061779888, 1260863617, 1551832144, 2521727234, 5043454468, 10086908936, 20173817872]

約数ペア:

[(1, 20173817872), (2, 10086908936), (4, 5043454468), (8, 2521727234), (13, 1551832144), (16, 1260863617), (19, 1061779888), (26, 775916072), (38, 530889944), (52, 387958036), (76, 265444972), (104, 193979018), (152, 132722486), (173, 116611664), (208, 96989509), (247, 81675376), (304, 66361243), (346, 58305832), (361, 55883152), (494, 40837688), (692, 29152916), (722, 27941576), (988, 20418844), (1384, 14576458), (1444, 13970788), (1553, 12990224), (1976, 10209422), (2249, 8970128), (2768, 7288229), (2888, 6985394), (3106, 6495112), (3287, 6137456), (3952, 5104711), (4498, 4485064), (4693, 4298704), (5776, 3492697), (6212, 3247556), (6574, 3068728), (8996, 2242532), (9386, 2149352), (12424, 1623778), (13148, 1534364), (17992, 1121266), (18772, 1074676), (20189, 999248), (24848, 811889), (26296, 767182), (29507, 683696), (35984, 560633), (37544, 537338), (40378, 499624), (42731, 472112), (52592, 383591), (59014, 341848), (62453, 323024), (75088, 268669), (80756, 249812), (85462, 236056), (118028, 170924), (124906, 161512)]