20547575248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{2437}}^1$

素因数の和:2756

約数の個数: 80

約数和(自身を含む): 41791610880

約数和(自身を除く): 21244035632

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 191, 248, 356, 382, 496, 712, 764, 1424, 1528, 2437, 2759, 3056, 4874, 5518, 5921, 9748, 11036, 11842, 16999, 19496, 22072, 23684, 33998, 38992, 44144, 47368, 67996, 75547, 94736, 135992, 151094, 216893, 271984, 302188, 433786, 465467, 526969, 604376, 867572, 930934, 1053938, 1208752, 1735144, 1861868, 2107876, 3470288, 3723736, 4215752, 6723683, 7447472, 8431504, 13447366, 14429477, 26894732, 28858954, 41426563, 53789464, 57717908, 82853126, 107578928, 115435816, 165706252, 230871632, 331412504, 662825008, 1284223453, 2568446906, 5136893812, 10273787624, 20547575248]

約数ペア:

[(1, 20547575248), (2, 10273787624), (4, 5136893812), (8, 2568446906), (16, 1284223453), (31, 662825008), (62, 331412504), (89, 230871632), (124, 165706252), (178, 115435816), (191, 107578928), (248, 82853126), (356, 57717908), (382, 53789464), (496, 41426563), (712, 28858954), (764, 26894732), (1424, 14429477), (1528, 13447366), (2437, 8431504), (2759, 7447472), (3056, 6723683), (4874, 4215752), (5518, 3723736), (5921, 3470288), (9748, 2107876), (11036, 1861868), (11842, 1735144), (16999, 1208752), (19496, 1053938), (22072, 930934), (23684, 867572), (33998, 604376), (38992, 526969), (44144, 465467), (47368, 433786), (67996, 302188), (75547, 271984), (94736, 216893), (135992, 151094)]