20996957568

素因数分解:

$2^7\times 3^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{1553}}^1$

素因数の和:1964

約数の個数: 128

約数和(自身を含む): 56435188320

約数和(自身を除く): 35438230752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 137, 192, 257, 274, 384, 411, 514, 548, 771, 822, 1028, 1096, 1542, 1553, 1644, 2056, 2192, 3084, 3106, 3288, 4112, 4384, 4659, 6168, 6212, 6576, 8224, 8768, 9318, 12336, 12424, 13152, 16448, 17536, 18636, 24672, 24848, 26304, 32896, 35209, 37272, 49344, 49696, 52608, 70418, 74544, 98688, 99392, 105627, 140836, 149088, 198784, 211254, 212761, 281672, 298176, 399121, 422508, 425522, 563344, 596352, 638283, 798242, 845016, 851044, 1126688, 1197363, 1276566, 1596484, 1690032, 1702088, 2253376, 2394726, 2553132, 3192968, 3380064, 3404176, 4506752, 4789452, 5106264, 6385936, 6760128, 6808352, 9578904, 10212528, 12771872, 13520256, 13616704, 19157808, 20425056, 25543744, 27233408, 38315616, 40850112, 51087488, 54679577, 76631232, 81700224, 109359154, 153262464, 164038731, 218718308, 328077462, 437436616, 656154924, 874873232, 1312309848, 1749746464, 2624619696, 3499492928, 5249239392, 6998985856, 10498478784, 20996957568]

約数ペア:

[(1, 20996957568), (2, 10498478784), (3, 6998985856), (4, 5249239392), (6, 3499492928), (8, 2624619696), (12, 1749746464), (16, 1312309848), (24, 874873232), (32, 656154924), (48, 437436616), (64, 328077462), (96, 218718308), (128, 164038731), (137, 153262464), (192, 109359154), (257, 81700224), (274, 76631232), (384, 54679577), (411, 51087488), (514, 40850112), (548, 38315616), (771, 27233408), (822, 25543744), (1028, 20425056), (1096, 19157808), (1542, 13616704), (1553, 13520256), (1644, 12771872), (2056, 10212528), (2192, 9578904), (3084, 6808352), (3106, 6760128), (3288, 6385936), (4112, 5106264), (4384, 4789452), (4659, 4506752), (6168, 3404176), (6212, 3380064), (6576, 3192968), (8224, 2553132), (8768, 2394726), (9318, 2253376), (12336, 1702088), (12424, 1690032), (13152, 1596484), (16448, 1276566), (17536, 1197363), (18636, 1126688), (24672, 851044), (24848, 845016), (26304, 798242), (32896, 638283), (35209, 596352), (37272, 563344), (49344, 425522), (49696, 422508), (52608, 399121), (70418, 298176), (74544, 281672), (98688, 212761), (99392, 211254), (105627, 198784), (140836, 149088)]