20080788

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 61133184

約数和(自身を除く): 41052396

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 49, 52, 71, 74, 78, 84, 91, 98, 111, 142, 147, 148, 156, 182, 196, 213, 222, 259, 273, 284, 294, 364, 426, 444, 481, 497, 518, 546, 588, 637, 777, 852, 923, 962, 994, 1036, 1092, 1274, 1443, 1491, 1554, 1813, 1846, 1911, 1924, 1988, 2548, 2627, 2769, 2886, 2982, 3108, 3367, 3479, 3626, 3692, 3822, 5254, 5439, 5538, 5772, 5964, 6461, 6734, 6958, 7252, 7644, 7881, 10101, 10437, 10508, 10878, 11076, 12922, 13468, 13916, 15762, 18389, 19383, 20202, 20874, 21756, 23569, 25844, 31524, 34151, 36778, 38766, 40404, 41748, 45227, 47138, 55167, 68302, 70707, 73556, 77532, 90454, 94276, 102453, 110334, 128723, 135681, 136604, 141414, 180908, 204906, 220668, 239057, 257446, 271362, 282828, 386169, 409812, 478114, 514892, 542724, 717171, 772338, 956228, 1434342, 1544676, 1673399, 2868684, 3346798, 5020197, 6693596, 10040394, 20080788]

約数ペア:

[(1, 20080788), (2, 10040394), (3, 6693596), (4, 5020197), (6, 3346798), (7, 2868684), (12, 1673399), (13, 1544676), (14, 1434342), (21, 956228), (26, 772338), (28, 717171), (37, 542724), (39, 514892), (42, 478114), (49, 409812), (52, 386169), (71, 282828), (74, 271362), (78, 257446), (84, 239057), (91, 220668), (98, 204906), (111, 180908), (142, 141414), (147, 136604), (148, 135681), (156, 128723), (182, 110334), (196, 102453), (213, 94276), (222, 90454), (259, 77532), (273, 73556), (284, 70707), (294, 68302), (364, 55167), (426, 47138), (444, 45227), (481, 41748), (497, 40404), (518, 38766), (546, 36778), (588, 34151), (637, 31524), (777, 25844), (852, 23569), (923, 21756), (962, 20874), (994, 20202), (1036, 19383), (1092, 18389), (1274, 15762), (1443, 13916), (1491, 13468), (1554, 12922), (1813, 11076), (1846, 10878), (1911, 10508), (1924, 10437), (1988, 10101), (2548, 7881), (2627, 7644), (2769, 7252), (2886, 6958), (2982, 6734), (3108, 6461), (3367, 5964), (3479, 5772), (3626, 5538), (3692, 5439), (3822, 5254)]