20881567308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1376

約数の個数: 192

約数和(自身を含む): 58853329920

約数和(自身を除く): 37971762612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 53, 74, 84, 106, 109, 111, 148, 159, 212, 218, 222, 259, 318, 327, 371, 436, 444, 518, 636, 654, 742, 763, 777, 1036, 1113, 1163, 1308, 1484, 1526, 1554, 1961, 2226, 2289, 2326, 3052, 3108, 3489, 3922, 4033, 4452, 4578, 4652, 5777, 5883, 6978, 7844, 8066, 8141, 9156, 11554, 11766, 12099, 13727, 13956, 16132, 16282, 17331, 23108, 23532, 24198, 24423, 27454, 28231, 32564, 34662, 40439, 41181, 43031, 48396, 48846, 54908, 56462, 61639, 69324, 80878, 82362, 84693, 86062, 97692, 112924, 121317, 123278, 126767, 129093, 161756, 164724, 169386, 172124, 184917, 213749, 242634, 246556, 253534, 258186, 301217, 338772, 369834, 380301, 427498, 431473, 485268, 507068, 516372, 602434, 641247, 739668, 760602, 854996, 862946, 887369, 903651, 1204868, 1282494, 1294419, 1496243, 1521204, 1725892, 1774738, 1807302, 2280643, 2564988, 2588838, 2662107, 2992486, 3549476, 3614604, 4488729, 4561286, 4690379, 5177676, 5324214, 5984972, 6718651, 6841929, 8977458, 9122572, 9380758, 10648428, 13437302, 13683858, 14071137, 15964501, 17954916, 18761516, 20155953, 26874604, 27367716, 28142274, 31929002, 32832653, 40311906, 47030557, 47893503, 56284548, 63858004, 65665306, 80623812, 94061114, 95787006, 98497959, 131330612, 141091671, 188122228, 191574012, 196995918, 248590087, 282183342, 393991836, 497180174, 564366684, 745770261, 994360348, 1491540522, 1740130609, 2983081044, 3480261218, 5220391827, 6960522436, 10440783654, 20881567308]

約数ペア:

[(1, 20881567308), (2, 10440783654), (3, 6960522436), (4, 5220391827), (6, 3480261218), (7, 2983081044), (12, 1740130609), (14, 1491540522), (21, 994360348), (28, 745770261), (37, 564366684), (42, 497180174), (53, 393991836), (74, 282183342), (84, 248590087), (106, 196995918), (109, 191574012), (111, 188122228), (148, 141091671), (159, 131330612), (212, 98497959), (218, 95787006), (222, 94061114), (259, 80623812), (318, 65665306), (327, 63858004), (371, 56284548), (436, 47893503), (444, 47030557), (518, 40311906), (636, 32832653), (654, 31929002), (742, 28142274), (763, 27367716), (777, 26874604), (1036, 20155953), (1113, 18761516), (1163, 17954916), (1308, 15964501), (1484, 14071137), (1526, 13683858), (1554, 13437302), (1961, 10648428), (2226, 9380758), (2289, 9122572), (2326, 8977458), (3052, 6841929), (3108, 6718651), (3489, 5984972), (3922, 5324214), (4033, 5177676), (4452, 4690379), (4578, 4561286), (4652, 4488729), (5777, 3614604), (5883, 3549476), (6978, 2992486), (7844, 2662107), (8066, 2588838), (8141, 2564988), (9156, 2280643), (11554, 1807302), (11766, 1774738), (12099, 1725892), (13727, 1521204), (13956, 1496243), (16132, 1294419), (16282, 1282494), (17331, 1204868), (23108, 903651), (23532, 887369), (24198, 862946), (24423, 854996), (27454, 760602), (28231, 739668), (32564, 641247), (34662, 602434), (40439, 516372), (41181, 507068), (43031, 485268), (48396, 431473), (48846, 427498), (54908, 380301), (56462, 369834), (61639, 338772), (69324, 301217), (80878, 258186), (82362, 253534), (84693, 246556), (86062, 242634), (97692, 213749), (112924, 184917), (121317, 172124), (123278, 169386), (126767, 164724), (129093, 161756)]