20383792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 27113168

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 59, 88, 104, 118, 143, 151, 176, 208, 236, 286, 302, 472, 572, 604, 649, 767, 944, 1144, 1208, 1298, 1534, 1661, 1963, 2288, 2416, 2596, 3068, 3322, 3926, 5192, 6136, 6644, 7852, 8437, 8909, 10384, 12272, 13288, 15704, 16874, 17818, 21593, 26576, 31408, 33748, 35636, 43186, 67496, 71272, 86372, 97999, 115817, 134992, 142544, 172744, 195998, 231634, 345488, 391996, 463268, 783992, 926536, 1273987, 1567984, 1853072, 2547974, 5095948, 10191896, 20383792]

約数ペア:

[(1, 20383792), (2, 10191896), (4, 5095948), (8, 2547974), (11, 1853072), (13, 1567984), (16, 1273987), (22, 926536), (26, 783992), (44, 463268), (52, 391996), (59, 345488), (88, 231634), (104, 195998), (118, 172744), (143, 142544), (151, 134992), (176, 115817), (208, 97999), (236, 86372), (286, 71272), (302, 67496), (472, 43186), (572, 35636), (604, 33748), (649, 31408), (767, 26576), (944, 21593), (1144, 17818), (1208, 16874), (1298, 15704), (1534, 13288), (1661, 12272), (1963, 10384), (2288, 8909), (2416, 8437), (2596, 7852), (3068, 6644), (3322, 6136), (3926, 5192)]