20128972514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:796

約数の個数: 128

約数和(自身を含む): 39388446720

約数和(自身を除く): 19259474206

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 62, 133, 161, 211, 217, 266, 322, 422, 434, 437, 503, 589, 713, 874, 1006, 1178, 1426, 1477, 2954, 3059, 3521, 4009, 4123, 4853, 4991, 6118, 6541, 7042, 8018, 8246, 9557, 9706, 9982, 11569, 13082, 13547, 15593, 19114, 23138, 27094, 28063, 31186, 33971, 45787, 56126, 66899, 67942, 80983, 91574, 92207, 94829, 106133, 109151, 124279, 133798, 150443, 161966, 184414, 189658, 212266, 218302, 219811, 248558, 296267, 300886, 358639, 439622, 592534, 645449, 717278, 742931, 869953, 1053101, 1290898, 1485862, 1538677, 1739906, 2016527, 2073869, 2106202, 2441059, 2510473, 2858417, 3077354, 3290123, 4033054, 4147738, 4882118, 5020946, 5716834, 6580246, 6814141, 13628282, 14115689, 17087413, 20008919, 23030861, 28231378, 34174826, 40017838, 46061722, 46380121, 47698987, 62512337, 75672829, 92760242, 95397974, 125024674, 151345658, 324660847, 437586359, 529709803, 649321694, 875172718, 1059419606, 1437783751, 2875567502, 10064486257, 20128972514]

約数ペア:

[(1, 20128972514), (2, 10064486257), (7, 2875567502), (14, 1437783751), (19, 1059419606), (23, 875172718), (31, 649321694), (38, 529709803), (46, 437586359), (62, 324660847), (133, 151345658), (161, 125024674), (211, 95397974), (217, 92760242), (266, 75672829), (322, 62512337), (422, 47698987), (434, 46380121), (437, 46061722), (503, 40017838), (589, 34174826), (713, 28231378), (874, 23030861), (1006, 20008919), (1178, 17087413), (1426, 14115689), (1477, 13628282), (2954, 6814141), (3059, 6580246), (3521, 5716834), (4009, 5020946), (4123, 4882118), (4853, 4147738), (4991, 4033054), (6118, 3290123), (6541, 3077354), (7042, 2858417), (8018, 2510473), (8246, 2441059), (9557, 2106202), (9706, 2073869), (9982, 2016527), (11569, 1739906), (13082, 1538677), (13547, 1485862), (15593, 1290898), (19114, 1053101), (23138, 869953), (27094, 742931), (28063, 717278), (31186, 645449), (33971, 592534), (45787, 439622), (56126, 358639), (66899, 300886), (67942, 296267), (80983, 248558), (91574, 219811), (92207, 218302), (94829, 212266), (106133, 189658), (109151, 184414), (124279, 161966), (133798, 150443)]