20161784028

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1\times {\mathrm{1621}}^1$

素因数の和:2107

約数の個数: 96

約数和(自身を含む): 49310876160

約数和(自身を除く): 29149092132

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 103, 116, 174, 206, 309, 347, 348, 412, 618, 694, 1041, 1236, 1388, 1621, 2082, 2987, 3242, 4164, 4863, 5974, 6484, 8961, 9726, 10063, 11948, 17922, 19452, 20126, 30189, 35741, 35844, 40252, 47009, 60378, 71482, 94018, 107223, 120756, 141027, 142964, 166963, 188036, 214446, 282054, 333926, 428892, 500889, 562487, 564108, 667852, 1001778, 1036489, 1124974, 1687461, 2003556, 2072978, 2249948, 3109467, 3374922, 4145956, 4841927, 6218934, 6749844, 9683854, 12437868, 14525781, 16312123, 19367708, 29051562, 32624246, 48936369, 57936161, 58103124, 65248492, 97872738, 115872322, 173808483, 195745476, 231744644, 347616966, 695233932, 1680148669, 3360297338, 5040446007, 6720594676, 10080892014, 20161784028]

約数ペア:

[(1, 20161784028), (2, 10080892014), (3, 6720594676), (4, 5040446007), (6, 3360297338), (12, 1680148669), (29, 695233932), (58, 347616966), (87, 231744644), (103, 195745476), (116, 173808483), (174, 115872322), (206, 97872738), (309, 65248492), (347, 58103124), (348, 57936161), (412, 48936369), (618, 32624246), (694, 29051562), (1041, 19367708), (1236, 16312123), (1388, 14525781), (1621, 12437868), (2082, 9683854), (2987, 6749844), (3242, 6218934), (4164, 4841927), (4863, 4145956), (5974, 3374922), (6484, 3109467), (8961, 2249948), (9726, 2072978), (10063, 2003556), (11948, 1687461), (17922, 1124974), (19452, 1036489), (20126, 1001778), (30189, 667852), (35741, 564108), (35844, 562487), (40252, 500889), (47009, 428892), (60378, 333926), (71482, 282054), (94018, 214446), (107223, 188036), (120756, 166963), (141027, 142964)]