20797439706

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:884

約数の個数: 96

約数和(自身を含む): 46267977600

約数和(自身を除く): 25470537894

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 179, 213, 229, 358, 397, 426, 458, 537, 639, 687, 794, 1074, 1191, 1278, 1374, 1611, 2061, 2382, 3222, 3573, 4122, 7146, 12709, 16259, 25418, 28187, 32518, 38127, 40991, 48777, 56374, 71063, 76254, 81982, 84561, 90913, 97554, 114381, 122973, 142126, 146331, 169122, 181826, 213189, 228762, 245946, 253683, 272739, 292662, 368919, 426378, 507366, 545478, 639567, 737838, 818217, 1279134, 1636434, 2910361, 5045473, 5820722, 6454823, 8731083, 10090946, 12909646, 15136419, 16273427, 17462166, 19364469, 26193249, 30272838, 32546854, 38728938, 45409257, 48820281, 52386498, 58093407, 90818514, 97640562, 116186814, 146460843, 292921686, 1155413317, 2310826634, 3466239951, 6932479902, 10398719853, 20797439706]

約数ペア:

[(1, 20797439706), (2, 10398719853), (3, 6932479902), (6, 3466239951), (9, 2310826634), (18, 1155413317), (71, 292921686), (142, 146460843), (179, 116186814), (213, 97640562), (229, 90818514), (358, 58093407), (397, 52386498), (426, 48820281), (458, 45409257), (537, 38728938), (639, 32546854), (687, 30272838), (794, 26193249), (1074, 19364469), (1191, 17462166), (1278, 16273427), (1374, 15136419), (1611, 12909646), (2061, 10090946), (2382, 8731083), (3222, 6454823), (3573, 5820722), (4122, 5045473), (7146, 2910361), (12709, 1636434), (16259, 1279134), (25418, 818217), (28187, 737838), (32518, 639567), (38127, 545478), (40991, 507366), (48777, 426378), (56374, 368919), (71063, 292662), (76254, 272739), (81982, 253683), (84561, 245946), (90913, 228762), (97554, 213189), (114381, 181826), (122973, 169122), (142126, 146331)]