20213046308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:502

約数の個数: 192

約数和(自身を含む): 47066116608

約数和(自身を除く): 26853070300

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 113, 119, 137, 182, 211, 221, 226, 238, 274, 364, 422, 442, 452, 476, 548, 791, 844, 884, 959, 1469, 1477, 1547, 1582, 1781, 1918, 1921, 2329, 2743, 2938, 2954, 3094, 3164, 3562, 3587, 3836, 3842, 4658, 5486, 5876, 5908, 6188, 7124, 7174, 7684, 9316, 10283, 10972, 12467, 13447, 14348, 15481, 16303, 19201, 20566, 23843, 24934, 24973, 25109, 26894, 28907, 30277, 30962, 32606, 38402, 41132, 46631, 47686, 49868, 49946, 50218, 53788, 57814, 60554, 61924, 65212, 76804, 93262, 95372, 99892, 100436, 108367, 115628, 121108, 166901, 174811, 186524, 201253, 202349, 211939, 216734, 263177, 309959, 326417, 333802, 349622, 375791, 402506, 404698, 405331, 423878, 433468, 491419, 526354, 619918, 652834, 667604, 699244, 751582, 805012, 809396, 810662, 847756, 982838, 1052708, 1239836, 1305668, 1408771, 1503164, 1621324, 1842239, 1965676, 2169713, 2630537, 2817542, 2837317, 3266491, 3421301, 3439933, 3684478, 4339426, 5261074, 5269303, 5635084, 5674634, 6388447, 6532982, 6842602, 6879866, 7368956, 8678852, 10522148, 10538606, 11349268, 12776894, 13065964, 13685204, 13759732, 21077212, 22865437, 23949107, 25553788, 36885121, 42464383, 44719129, 45730874, 47898214, 55530347, 73770242, 84928766, 89438258, 91461748, 95796428, 111060694, 147540484, 169857532, 178876516, 222121388, 297250681, 388712429, 594501362, 721894511, 777424858, 1189002724, 1443789022, 1554849716, 2887578044, 5053261577, 10106523154, 20213046308]

約数ペア:

[(1, 20213046308), (2, 10106523154), (4, 5053261577), (7, 2887578044), (13, 1554849716), (14, 1443789022), (17, 1189002724), (26, 777424858), (28, 721894511), (34, 594501362), (52, 388712429), (68, 297250681), (91, 222121388), (113, 178876516), (119, 169857532), (137, 147540484), (182, 111060694), (211, 95796428), (221, 91461748), (226, 89438258), (238, 84928766), (274, 73770242), (364, 55530347), (422, 47898214), (442, 45730874), (452, 44719129), (476, 42464383), (548, 36885121), (791, 25553788), (844, 23949107), (884, 22865437), (959, 21077212), (1469, 13759732), (1477, 13685204), (1547, 13065964), (1582, 12776894), (1781, 11349268), (1918, 10538606), (1921, 10522148), (2329, 8678852), (2743, 7368956), (2938, 6879866), (2954, 6842602), (3094, 6532982), (3164, 6388447), (3562, 5674634), (3587, 5635084), (3836, 5269303), (3842, 5261074), (4658, 4339426), (5486, 3684478), (5876, 3439933), (5908, 3421301), (6188, 3266491), (7124, 2837317), (7174, 2817542), (7684, 2630537), (9316, 2169713), (10283, 1965676), (10972, 1842239), (12467, 1621324), (13447, 1503164), (14348, 1408771), (15481, 1305668), (16303, 1239836), (19201, 1052708), (20566, 982838), (23843, 847756), (24934, 810662), (24973, 809396), (25109, 805012), (26894, 751582), (28907, 699244), (30277, 667604), (30962, 652834), (32606, 619918), (38402, 526354), (41132, 491419), (46631, 433468), (47686, 423878), (49868, 405331), (49946, 404698), (50218, 402506), (53788, 375791), (57814, 349622), (60554, 333802), (61924, 326417), (65212, 309959), (76804, 263177), (93262, 216734), (95372, 211939), (99892, 202349), (100436, 201253), (108367, 186524), (115628, 174811), (121108, 166901)]