20191788

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 55838720

約数和(自身を除く): 35646932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 37, 54, 62, 74, 93, 108, 111, 124, 148, 163, 186, 222, 279, 326, 333, 372, 444, 489, 558, 652, 666, 837, 978, 999, 1116, 1147, 1332, 1467, 1674, 1956, 1998, 2294, 2934, 3348, 3441, 3996, 4401, 4588, 5053, 5868, 6031, 6882, 8802, 10106, 10323, 12062, 13764, 15159, 17604, 18093, 20212, 20646, 24124, 30318, 30969, 36186, 41292, 45477, 54279, 60636, 61938, 72372, 90954, 108558, 123876, 136431, 162837, 181908, 186961, 217116, 272862, 325674, 373922, 545724, 560883, 651348, 747844, 1121766, 1682649, 2243532, 3365298, 5047947, 6730596, 10095894, 20191788]

約数ペア:

[(1, 20191788), (2, 10095894), (3, 6730596), (4, 5047947), (6, 3365298), (9, 2243532), (12, 1682649), (18, 1121766), (27, 747844), (31, 651348), (36, 560883), (37, 545724), (54, 373922), (62, 325674), (74, 272862), (93, 217116), (108, 186961), (111, 181908), (124, 162837), (148, 136431), (163, 123876), (186, 108558), (222, 90954), (279, 72372), (326, 61938), (333, 60636), (372, 54279), (444, 45477), (489, 41292), (558, 36186), (652, 30969), (666, 30318), (837, 24124), (978, 20646), (999, 20212), (1116, 18093), (1147, 17604), (1332, 15159), (1467, 13764), (1674, 12062), (1956, 10323), (1998, 10106), (2294, 8802), (2934, 6882), (3348, 6031), (3441, 5868), (3996, 5053), (4401, 4588)]