20123289736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1115

約数の個数: 128

約数和(自身を含む): 43210920960

約数和(自身を除く): 23087631224

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 67, 71, 88, 106, 134, 142, 212, 268, 284, 424, 536, 568, 583, 737, 781, 907, 1166, 1474, 1562, 1814, 2332, 2948, 3124, 3551, 3628, 3763, 4664, 4757, 5896, 6248, 7102, 7256, 7526, 9514, 9977, 14204, 15052, 19028, 19954, 28408, 30104, 38056, 39061, 39908, 41393, 48071, 52327, 60769, 64397, 78122, 79816, 82786, 96142, 104654, 121538, 128794, 156244, 165572, 192284, 209308, 243076, 252121, 257588, 312488, 331144, 384568, 418616, 486152, 504242, 515176, 528781, 668459, 708367, 1008484, 1057562, 1336918, 1416734, 2016968, 2115124, 2673836, 2773331, 2833468, 3220757, 3413041, 4230248, 4314599, 5347672, 5546662, 5666936, 6441514, 6826082, 8629198, 11093324, 12883028, 13652164, 17258396, 22186648, 25766056, 27304328, 34516792, 35428327, 37543451, 47460589, 70856654, 75086902, 94921178, 141713308, 150173804, 189842356, 228673747, 283426616, 300347608, 379684712, 457347494, 914694988, 1829389976, 2515411217, 5030822434, 10061644868, 20123289736]

約数ペア:

[(1, 20123289736), (2, 10061644868), (4, 5030822434), (8, 2515411217), (11, 1829389976), (22, 914694988), (44, 457347494), (53, 379684712), (67, 300347608), (71, 283426616), (88, 228673747), (106, 189842356), (134, 150173804), (142, 141713308), (212, 94921178), (268, 75086902), (284, 70856654), (424, 47460589), (536, 37543451), (568, 35428327), (583, 34516792), (737, 27304328), (781, 25766056), (907, 22186648), (1166, 17258396), (1474, 13652164), (1562, 12883028), (1814, 11093324), (2332, 8629198), (2948, 6826082), (3124, 6441514), (3551, 5666936), (3628, 5546662), (3763, 5347672), (4664, 4314599), (4757, 4230248), (5896, 3413041), (6248, 3220757), (7102, 2833468), (7256, 2773331), (7526, 2673836), (9514, 2115124), (9977, 2016968), (14204, 1416734), (15052, 1336918), (19028, 1057562), (19954, 1008484), (28408, 708367), (30104, 668459), (38056, 528781), (39061, 515176), (39908, 504242), (41393, 486152), (48071, 418616), (52327, 384568), (60769, 331144), (64397, 312488), (78122, 257588), (79816, 252121), (82786, 243076), (96142, 209308), (104654, 192284), (121538, 165572), (128794, 156244)]