20161390997276

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{719}}^1\times {\mathrm{6581}}^1\times {\mathrm{25981}}^1$

素因数の和:33326

約数の個数: 48

約数和(自身を含む): 36200142760320

約数和(自身を除く): 16038751763044

約数列:

[1, 2, 4, 41, 82, 164, 719, 1438, 2876, 6581, 13162, 25981, 26324, 29479, 51962, 58958, 103924, 117916, 269821, 539642, 1065221, 1079284, 2130442, 4260884, 4731739, 9463478, 18680339, 18926956, 37360678, 74721356, 170980961, 194001299, 341961922, 388002598, 683923844, 765893899, 776005196, 1531787798, 3063575596, 7010219401, 14020438802, 28040877604, 122935310959, 245870621918, 491741243836, 5040347749319, 10080695498638, 20161390997276]

約数ペア:

[(1, 20161390997276), (2, 10080695498638), (4, 5040347749319), (41, 491741243836), (82, 245870621918), (164, 122935310959), (719, 28040877604), (1438, 14020438802), (2876, 7010219401), (6581, 3063575596), (13162, 1531787798), (25981, 776005196), (26324, 765893899), (29479, 683923844), (51962, 388002598), (58958, 341961922), (103924, 194001299), (117916, 170980961), (269821, 74721356), (539642, 37360678), (1065221, 18926956), (1079284, 18680339), (2130442, 9463478), (4260884, 4731739)]