20219644816

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1\times {\mathrm{5087}}^1$

素因数の和:6668

約数の個数: 80

約数和(自身を含む): 46758150144

約数和(自身を除く): 26538505328

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 1543, 2576, 3086, 5087, 6172, 10174, 10801, 12344, 20348, 21602, 24688, 35489, 35609, 40696, 43204, 70978, 71218, 81392, 86408, 117001, 141956, 142436, 172816, 234002, 248423, 283912, 284872, 468004, 496846, 567824, 569744, 819007, 936008, 993692, 1638014, 1872016, 1987384, 3276028, 3974768, 6552056, 7849241, 13104112, 15698482, 31396964, 54944687, 62793928, 109889374, 125587856, 180532543, 219778748, 361065086, 439557496, 722130172, 879114992, 1263727801, 1444260344, 2527455602, 2888520688, 5054911204, 10109822408, 20219644816]

約数ペア:

[(1, 20219644816), (2, 10109822408), (4, 5054911204), (7, 2888520688), (8, 2527455602), (14, 1444260344), (16, 1263727801), (23, 879114992), (28, 722130172), (46, 439557496), (56, 361065086), (92, 219778748), (112, 180532543), (161, 125587856), (184, 109889374), (322, 62793928), (368, 54944687), (644, 31396964), (1288, 15698482), (1543, 13104112), (2576, 7849241), (3086, 6552056), (5087, 3974768), (6172, 3276028), (10174, 1987384), (10801, 1872016), (12344, 1638014), (20348, 993692), (21602, 936008), (24688, 819007), (35489, 569744), (35609, 567824), (40696, 496846), (43204, 468004), (70978, 284872), (71218, 283912), (81392, 248423), (86408, 234002), (117001, 172816), (141956, 142436)]