20152555480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{1601}}^1$

素因数の和:1909

約数の個数: 128

約数和(自身を含む): 48769750080

約数和(自身を除く): 28617194600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 173, 214, 340, 346, 428, 535, 680, 692, 856, 865, 1070, 1384, 1601, 1730, 1819, 2140, 2941, 3202, 3460, 3638, 4280, 5882, 6404, 6920, 7276, 8005, 9095, 11764, 12808, 14552, 14705, 16010, 18190, 18511, 23528, 27217, 29410, 32020, 36380, 37022, 54434, 58820, 64040, 72760, 74044, 92555, 108868, 117640, 136085, 148088, 171307, 185110, 217736, 272170, 276973, 314687, 342614, 370220, 544340, 553946, 629374, 685228, 740440, 856535, 1088680, 1107892, 1258748, 1370456, 1384865, 1573435, 1713070, 2215784, 2517496, 2769730, 2912219, 3146870, 3426140, 4708541, 5539460, 5824438, 6293740, 6852280, 9417082, 11078920, 11648876, 12587480, 14561095, 18834164, 23297752, 23542705, 29122190, 29636111, 37668328, 47085410, 58244380, 59272222, 94170820, 116488760, 118544444, 148180555, 188341640, 237088888, 296361110, 503813887, 592722220, 1007627774, 1185444440, 2015255548, 2519069435, 4030511096, 5038138870, 10076277740, 20152555480]

約数ペア:

[(1, 20152555480), (2, 10076277740), (4, 5038138870), (5, 4030511096), (8, 2519069435), (10, 2015255548), (17, 1185444440), (20, 1007627774), (34, 592722220), (40, 503813887), (68, 296361110), (85, 237088888), (107, 188341640), (136, 148180555), (170, 118544444), (173, 116488760), (214, 94170820), (340, 59272222), (346, 58244380), (428, 47085410), (535, 37668328), (680, 29636111), (692, 29122190), (856, 23542705), (865, 23297752), (1070, 18834164), (1384, 14561095), (1601, 12587480), (1730, 11648876), (1819, 11078920), (2140, 9417082), (2941, 6852280), (3202, 6293740), (3460, 5824438), (3638, 5539460), (4280, 4708541), (5882, 3426140), (6404, 3146870), (6920, 2912219), (7276, 2769730), (8005, 2517496), (9095, 2215784), (11764, 1713070), (12808, 1573435), (14552, 1384865), (14705, 1370456), (16010, 1258748), (18190, 1107892), (18511, 1088680), (23528, 856535), (27217, 740440), (29410, 685228), (32020, 629374), (36380, 553946), (37022, 544340), (54434, 370220), (58820, 342614), (64040, 314687), (72760, 276973), (74044, 272170), (92555, 217736), (108868, 185110), (117640, 171307), (136085, 148088)]