20479844

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 27904156

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 59, 77, 92, 98, 118, 154, 161, 196, 236, 253, 308, 322, 343, 413, 506, 539, 644, 649, 686, 826, 1012, 1078, 1127, 1298, 1357, 1372, 1652, 1771, 2156, 2254, 2596, 2714, 2891, 3542, 3773, 4508, 4543, 5428, 5782, 7084, 7546, 7889, 9086, 9499, 11564, 12397, 14927, 15092, 15778, 18172, 18998, 20237, 24794, 29854, 31556, 31801, 37996, 40474, 49588, 59708, 63602, 66493, 80948, 86779, 104489, 127204, 132986, 173558, 208978, 222607, 265972, 347116, 417956, 445214, 465451, 731423, 890428, 930902, 1462846, 1861804, 2925692, 5119961, 10239922, 20479844]

約数ペア:

[(1, 20479844), (2, 10239922), (4, 5119961), (7, 2925692), (11, 1861804), (14, 1462846), (22, 930902), (23, 890428), (28, 731423), (44, 465451), (46, 445214), (49, 417956), (59, 347116), (77, 265972), (92, 222607), (98, 208978), (118, 173558), (154, 132986), (161, 127204), (196, 104489), (236, 86779), (253, 80948), (308, 66493), (322, 63602), (343, 59708), (413, 49588), (506, 40474), (539, 37996), (644, 31801), (649, 31556), (686, 29854), (826, 24794), (1012, 20237), (1078, 18998), (1127, 18172), (1298, 15778), (1357, 15092), (1372, 14927), (1652, 12397), (1771, 11564), (2156, 9499), (2254, 9086), (2596, 7889), (2714, 7546), (2891, 7084), (3542, 5782), (3773, 5428), (4508, 4543)]