20517963732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{9377}}^1$

素因数の和:9870

約数の個数: 144

約数和(自身を含む): 62537005440

約数和(自身を除く): 42019041708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 457, 532, 684, 798, 914, 1197, 1371, 1596, 1828, 2394, 2742, 3199, 4113, 4788, 5484, 6398, 8226, 8683, 9377, 9597, 12796, 16452, 17366, 18754, 19194, 26049, 28131, 28791, 34732, 37508, 38388, 52098, 56262, 57582, 60781, 65639, 78147, 84393, 104196, 112524, 115164, 121562, 131278, 156294, 168786, 178163, 182343, 196917, 243124, 262556, 312588, 337572, 356326, 364686, 393834, 534489, 547029, 590751, 712652, 729372, 787668, 1068978, 1094058, 1181502, 1247141, 1603467, 2137956, 2188116, 2363004, 2494282, 3206934, 3741423, 4285289, 4988564, 6413868, 7482846, 8570578, 11224269, 12855867, 14965692, 17141156, 22448538, 25711734, 29997023, 38567601, 44897076, 51423468, 59994046, 77135202, 81420491, 89991069, 119988092, 154270404, 162840982, 179982138, 244261473, 269973207, 325681964, 359964276, 488522946, 539946414, 569943437, 732784419, 977045892, 1079892828, 1139886874, 1465568838, 1709830311, 2279773748, 2931137676, 3419660622, 5129490933, 6839321244, 10258981866, 20517963732]

約数ペア:

[(1, 20517963732), (2, 10258981866), (3, 6839321244), (4, 5129490933), (6, 3419660622), (7, 2931137676), (9, 2279773748), (12, 1709830311), (14, 1465568838), (18, 1139886874), (19, 1079892828), (21, 977045892), (28, 732784419), (36, 569943437), (38, 539946414), (42, 488522946), (57, 359964276), (63, 325681964), (76, 269973207), (84, 244261473), (114, 179982138), (126, 162840982), (133, 154270404), (171, 119988092), (228, 89991069), (252, 81420491), (266, 77135202), (342, 59994046), (399, 51423468), (457, 44897076), (532, 38567601), (684, 29997023), (798, 25711734), (914, 22448538), (1197, 17141156), (1371, 14965692), (1596, 12855867), (1828, 11224269), (2394, 8570578), (2742, 7482846), (3199, 6413868), (4113, 4988564), (4788, 4285289), (5484, 3741423), (6398, 3206934), (8226, 2494282), (8683, 2363004), (9377, 2188116), (9597, 2137956), (12796, 1603467), (16452, 1247141), (17366, 1181502), (18754, 1094058), (19194, 1068978), (26049, 787668), (28131, 729372), (28791, 712652), (34732, 590751), (37508, 547029), (38388, 534489), (52098, 393834), (56262, 364686), (57582, 356326), (60781, 337572), (65639, 312588), (78147, 262556), (84393, 243124), (104196, 196917), (112524, 182343), (115164, 178163), (121562, 168786), (131278, 156294)]