20651702016

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{78857}}^1$

素因数の和:78918

約数の個数: 144

約数和(自身を含む): 61895328768

約数和(自身を除く): 41243626752

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 176, 186, 192, 248, 256, 264, 341, 352, 372, 384, 496, 528, 682, 704, 744, 768, 992, 1023, 1056, 1364, 1408, 1488, 1984, 2046, 2112, 2728, 2816, 2976, 3968, 4092, 4224, 5456, 5952, 7936, 8184, 8448, 10912, 11904, 16368, 21824, 23808, 32736, 43648, 65472, 78857, 87296, 130944, 157714, 236571, 261888, 315428, 473142, 630856, 867427, 946284, 1261712, 1734854, 1892568, 2444567, 2523424, 2602281, 3469708, 3785136, 4889134, 5046848, 5204562, 6939416, 7333701, 7570272, 9778268, 10093696, 10409124, 13878832, 14667402, 15140544, 19556536, 20187392, 20818248, 26890237, 27757664, 29334804, 30281088, 39113072, 41636496, 53780474, 55515328, 58669608, 60562176, 78226144, 80670711, 83272992, 107560948, 111030656, 117339216, 156452288, 161341422, 166545984, 215121896, 222061312, 234678432, 312904576, 322682844, 333091968, 430243792, 469356864, 625809152, 645365688, 666183936, 860487584, 938713728, 1290731376, 1720975168, 1877427456, 2581462752, 3441950336, 5162925504, 6883900672, 10325851008, 20651702016]

約数ペア:

[(1, 20651702016), (2, 10325851008), (3, 6883900672), (4, 5162925504), (6, 3441950336), (8, 2581462752), (11, 1877427456), (12, 1720975168), (16, 1290731376), (22, 938713728), (24, 860487584), (31, 666183936), (32, 645365688), (33, 625809152), (44, 469356864), (48, 430243792), (62, 333091968), (64, 322682844), (66, 312904576), (88, 234678432), (93, 222061312), (96, 215121896), (124, 166545984), (128, 161341422), (132, 156452288), (176, 117339216), (186, 111030656), (192, 107560948), (248, 83272992), (256, 80670711), (264, 78226144), (341, 60562176), (352, 58669608), (372, 55515328), (384, 53780474), (496, 41636496), (528, 39113072), (682, 30281088), (704, 29334804), (744, 27757664), (768, 26890237), (992, 20818248), (1023, 20187392), (1056, 19556536), (1364, 15140544), (1408, 14667402), (1488, 13878832), (1984, 10409124), (2046, 10093696), (2112, 9778268), (2728, 7570272), (2816, 7333701), (2976, 6939416), (3968, 5204562), (4092, 5046848), (4224, 4889134), (5456, 3785136), (5952, 3469708), (7936, 2602281), (8184, 2523424), (8448, 2444567), (10912, 1892568), (11904, 1734854), (16368, 1261712), (21824, 946284), (23808, 867427), (32736, 630856), (43648, 473142), (65472, 315428), (78857, 261888), (87296, 236571), (130944, 157714)]