20194870878

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{3677}}^1$

素因数の和:4191

約数の個数: 144

約数和(自身を含む): 54944023680

約数和(自身を除く): 34749152802

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 479, 546, 637, 819, 882, 958, 1274, 1437, 1638, 1911, 2874, 3353, 3677, 3822, 4311, 5733, 6227, 6706, 7354, 8622, 10059, 11031, 11466, 12454, 18681, 20118, 22062, 23471, 25739, 30177, 33093, 37362, 43589, 46942, 47801, 51478, 56043, 60354, 66186, 70413, 77217, 87178, 95602, 112086, 130767, 140826, 143403, 154434, 180173, 211239, 231651, 261534, 286806, 305123, 334607, 360346, 392301, 422478, 430209, 463302, 540519, 610246, 669214, 784602, 860418, 915369, 1003821, 1081038, 1621557, 1761283, 1830738, 2007642, 2342249, 2746107, 3011463, 3243114, 3522566, 4684498, 5283849, 5492214, 6022926, 7026747, 10567698, 12328981, 14053494, 15851547, 21080241, 22896679, 24657962, 31703094, 36986943, 42160482, 45793358, 68690037, 73973886, 86302867, 110960829, 137380074, 160276753, 172605734, 206070111, 221921658, 258908601, 320553506, 412140222, 480830259, 517817202, 776725803, 961660518, 1121937271, 1442490777, 1553451606, 2243874542, 2884981554, 3365811813, 6731623626, 10097435439, 20194870878]

約数ペア:

[(1, 20194870878), (2, 10097435439), (3, 6731623626), (6, 3365811813), (7, 2884981554), (9, 2243874542), (13, 1553451606), (14, 1442490777), (18, 1121937271), (21, 961660518), (26, 776725803), (39, 517817202), (42, 480830259), (49, 412140222), (63, 320553506), (78, 258908601), (91, 221921658), (98, 206070111), (117, 172605734), (126, 160276753), (147, 137380074), (182, 110960829), (234, 86302867), (273, 73973886), (294, 68690037), (441, 45793358), (479, 42160482), (546, 36986943), (637, 31703094), (819, 24657962), (882, 22896679), (958, 21080241), (1274, 15851547), (1437, 14053494), (1638, 12328981), (1911, 10567698), (2874, 7026747), (3353, 6022926), (3677, 5492214), (3822, 5283849), (4311, 4684498), (5733, 3522566), (6227, 3243114), (6706, 3011463), (7354, 2746107), (8622, 2342249), (10059, 2007642), (11031, 1830738), (11466, 1761283), (12454, 1621557), (18681, 1081038), (20118, 1003821), (22062, 915369), (23471, 860418), (25739, 784602), (30177, 669214), (33093, 610246), (37362, 540519), (43589, 463302), (46942, 430209), (47801, 422478), (51478, 392301), (56043, 360346), (60354, 334607), (66186, 305123), (70413, 286806), (77217, 261534), (87178, 231651), (95602, 211239), (112086, 180173), (130767, 154434), (140826, 143403)]