20958912

素因数分解:

$2^6\times 3^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:348

約数の個数: 140

約数和(自身を含む): 67123056

約数和(自身を除く): 46164144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 311, 312, 324, 351, 416, 432, 468, 576, 622, 624, 648, 702, 832, 864, 933, 936, 1053, 1244, 1248, 1296, 1404, 1728, 1866, 1872, 2106, 2488, 2496, 2592, 2799, 2808, 3732, 3744, 4043, 4212, 4976, 5184, 5598, 5616, 7464, 7488, 8086, 8397, 8424, 9952, 11196, 11232, 12129, 14928, 16172, 16794, 16848, 19904, 22392, 22464, 24258, 25191, 29856, 32344, 33588, 33696, 36387, 44784, 48516, 50382, 59712, 64688, 67176, 67392, 72774, 89568, 97032, 100764, 109161, 129376, 134352, 145548, 179136, 194064, 201528, 218322, 258752, 268704, 291096, 327483, 388128, 403056, 436644, 537408, 582192, 654966, 776256, 806112, 873288, 1164384, 1309932, 1612224, 1746576, 2328768, 2619864, 3493152, 5239728, 6986304, 10479456, 20958912]

約数ペア:

[(1, 20958912), (2, 10479456), (3, 6986304), (4, 5239728), (6, 3493152), (8, 2619864), (9, 2328768), (12, 1746576), (13, 1612224), (16, 1309932), (18, 1164384), (24, 873288), (26, 806112), (27, 776256), (32, 654966), (36, 582192), (39, 537408), (48, 436644), (52, 403056), (54, 388128), (64, 327483), (72, 291096), (78, 268704), (81, 258752), (96, 218322), (104, 201528), (108, 194064), (117, 179136), (144, 145548), (156, 134352), (162, 129376), (192, 109161), (208, 100764), (216, 97032), (234, 89568), (288, 72774), (311, 67392), (312, 67176), (324, 64688), (351, 59712), (416, 50382), (432, 48516), (468, 44784), (576, 36387), (622, 33696), (624, 33588), (648, 32344), (702, 29856), (832, 25191), (864, 24258), (933, 22464), (936, 22392), (1053, 19904), (1244, 16848), (1248, 16794), (1296, 16172), (1404, 14928), (1728, 12129), (1866, 11232), (1872, 11196), (2106, 9952), (2488, 8424), (2496, 8397), (2592, 8086), (2799, 7488), (2808, 7464), (3732, 5616), (3744, 5598), (4043, 5184), (4212, 4976)]