20175064

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 49124880

約数和(自身を除く): 28949816

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 37, 49, 52, 56, 74, 91, 98, 104, 107, 148, 182, 196, 214, 259, 296, 364, 392, 428, 481, 518, 637, 728, 749, 856, 962, 1036, 1274, 1391, 1498, 1813, 1924, 2072, 2548, 2782, 2996, 3367, 3626, 3848, 3959, 5096, 5243, 5564, 5992, 6734, 7252, 7918, 9737, 10486, 11128, 13468, 14504, 15836, 19474, 20972, 23569, 26936, 27713, 31672, 38948, 41944, 47138, 51467, 55426, 68159, 77896, 94276, 102934, 110852, 136318, 188552, 193991, 205868, 221704, 272636, 360269, 387982, 411736, 545272, 720538, 775964, 1441076, 1551928, 2521883, 2882152, 5043766, 10087532, 20175064]

約数ペア:

[(1, 20175064), (2, 10087532), (4, 5043766), (7, 2882152), (8, 2521883), (13, 1551928), (14, 1441076), (26, 775964), (28, 720538), (37, 545272), (49, 411736), (52, 387982), (56, 360269), (74, 272636), (91, 221704), (98, 205868), (104, 193991), (107, 188552), (148, 136318), (182, 110852), (196, 102934), (214, 94276), (259, 77896), (296, 68159), (364, 55426), (392, 51467), (428, 47138), (481, 41944), (518, 38948), (637, 31672), (728, 27713), (749, 26936), (856, 23569), (962, 20972), (1036, 19474), (1274, 15836), (1391, 14504), (1498, 13468), (1813, 11128), (1924, 10486), (2072, 9737), (2548, 7918), (2782, 7252), (2996, 6734), (3367, 5992), (3626, 5564), (3848, 5243), (3959, 5096)]