20239538416

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:615

約数の個数: 160

約数和(自身を含む): 43925760000

約数和(自身を除く): 23686221584

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 59, 62, 76, 89, 118, 124, 152, 178, 236, 248, 304, 356, 409, 472, 496, 589, 712, 818, 944, 1121, 1178, 1424, 1636, 1691, 1829, 2242, 2356, 2759, 3272, 3382, 3658, 4484, 4712, 5251, 5518, 6544, 6764, 7316, 7771, 8968, 9424, 10502, 11036, 12679, 13528, 14632, 15542, 17936, 21004, 22072, 24131, 25358, 27056, 29264, 31084, 34751, 36401, 42008, 44144, 48262, 50716, 52421, 62168, 69502, 72802, 84016, 96524, 99769, 101432, 104842, 124336, 139004, 145604, 162781, 193048, 199538, 202864, 209684, 240901, 278008, 291208, 325562, 386096, 399076, 419368, 458489, 481802, 556016, 582416, 651124, 691619, 748061, 798152, 838736, 916978, 963604, 1128431, 1302248, 1383238, 1496122, 1596304, 1833956, 1927208, 2147659, 2256862, 2604496, 2766476, 2992244, 3092839, 3667912, 3854416, 4295318, 4513724, 5532952, 5984488, 6185678, 7335824, 8590636, 9027448, 11065904, 11968976, 12371356, 14213159, 17181272, 18054896, 21440189, 24742712, 28426318, 34362544, 40805521, 42880378, 49485424, 56852636, 66577429, 81611042, 85760756, 113705272, 133154858, 163222084, 171521512, 227410544, 266309716, 326444168, 343043024, 532619432, 652888336, 1065238864, 1264971151, 2529942302, 5059884604, 10119769208, 20239538416]

約数ペア:

[(1, 20239538416), (2, 10119769208), (4, 5059884604), (8, 2529942302), (16, 1264971151), (19, 1065238864), (31, 652888336), (38, 532619432), (59, 343043024), (62, 326444168), (76, 266309716), (89, 227410544), (118, 171521512), (124, 163222084), (152, 133154858), (178, 113705272), (236, 85760756), (248, 81611042), (304, 66577429), (356, 56852636), (409, 49485424), (472, 42880378), (496, 40805521), (589, 34362544), (712, 28426318), (818, 24742712), (944, 21440189), (1121, 18054896), (1178, 17181272), (1424, 14213159), (1636, 12371356), (1691, 11968976), (1829, 11065904), (2242, 9027448), (2356, 8590636), (2759, 7335824), (3272, 6185678), (3382, 5984488), (3658, 5532952), (4484, 4513724), (4712, 4295318), (5251, 3854416), (5518, 3667912), (6544, 3092839), (6764, 2992244), (7316, 2766476), (7771, 2604496), (8968, 2256862), (9424, 2147659), (10502, 1927208), (11036, 1833956), (12679, 1596304), (13528, 1496122), (14632, 1383238), (15542, 1302248), (17936, 1128431), (21004, 963604), (22072, 916978), (24131, 838736), (25358, 798152), (27056, 748061), (29264, 691619), (31084, 651124), (34751, 582416), (36401, 556016), (42008, 481802), (44144, 458489), (48262, 419368), (50716, 399076), (52421, 386096), (62168, 325562), (69502, 291208), (72802, 278008), (84016, 240901), (96524, 209684), (99769, 202864), (101432, 199538), (104842, 193048), (124336, 162781), (139004, 145604)]