20164947456

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 240

約数和(自身を含む): 58512326400

約数和(自身を除く): 38347378944

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 32, 38, 48, 57, 62, 64, 76, 93, 96, 114, 124, 128, 152, 186, 192, 228, 248, 256, 304, 372, 384, 456, 496, 512, 589, 608, 719, 744, 768, 912, 961, 992, 1178, 1216, 1438, 1488, 1536, 1767, 1824, 1922, 1984, 2157, 2356, 2432, 2876, 2883, 2976, 3534, 3648, 3844, 3968, 4314, 4712, 4864, 5752, 5766, 5952, 7068, 7296, 7688, 7936, 8628, 9424, 9728, 11504, 11532, 11904, 13661, 14136, 14592, 15376, 15872, 17256, 18259, 18848, 22289, 23008, 23064, 23808, 27322, 28272, 29184, 30752, 34512, 36518, 37696, 40983, 44578, 46016, 46128, 47616, 54644, 54777, 56544, 61504, 66867, 69024, 73036, 75392, 81966, 89156, 92032, 92256, 109288, 109554, 113088, 123008, 133734, 138048, 146072, 150784, 163932, 178312, 184064, 184512, 218576, 219108, 226176, 246016, 267468, 276096, 292144, 301568, 327864, 356624, 368128, 369024, 423491, 437152, 438216, 452352, 492032, 534936, 552192, 584288, 655728, 690959, 713248, 738048, 846982, 874304, 876432, 904704, 1069872, 1104384, 1168576, 1270473, 1311456, 1381918, 1426496, 1476096, 1693964, 1748608, 1752864, 2072877, 2139744, 2337152, 2540946, 2622912, 2763836, 2852992, 3387928, 3497216, 3505728, 4145754, 4279488, 4674304, 5081892, 5245824, 5527672, 5705984, 6775856, 6994432, 7011456, 8291508, 8558976, 9348608, 10163784, 10491648, 11055344, 11411968, 13128221, 13551712, 14022912, 16583016, 17117952, 20327568, 20983296, 22110688, 26256442, 27103424, 28045824, 33166032, 34235904, 39384663, 40655136, 44221376, 52512884, 54206848, 66332064, 78769326, 81310272, 88442752, 105025768, 108413696, 132664128, 157538652, 162620544, 176885504, 210051536, 216827392, 265328256, 315077304, 325241088, 353771008, 420103072, 530656512, 630154608, 650482176, 840206144, 1061313024, 1260309216, 1680412288, 2520618432, 3360824576, 5041236864, 6721649152, 10082473728, 20164947456]

約数ペア:

[(1, 20164947456), (2, 10082473728), (3, 6721649152), (4, 5041236864), (6, 3360824576), (8, 2520618432), (12, 1680412288), (16, 1260309216), (19, 1061313024), (24, 840206144), (31, 650482176), (32, 630154608), (38, 530656512), (48, 420103072), (57, 353771008), (62, 325241088), (64, 315077304), (76, 265328256), (93, 216827392), (96, 210051536), (114, 176885504), (124, 162620544), (128, 157538652), (152, 132664128), (186, 108413696), (192, 105025768), (228, 88442752), (248, 81310272), (256, 78769326), (304, 66332064), (372, 54206848), (384, 52512884), (456, 44221376), (496, 40655136), (512, 39384663), (589, 34235904), (608, 33166032), (719, 28045824), (744, 27103424), (768, 26256442), (912, 22110688), (961, 20983296), (992, 20327568), (1178, 17117952), (1216, 16583016), (1438, 14022912), (1488, 13551712), (1536, 13128221), (1767, 11411968), (1824, 11055344), (1922, 10491648), (1984, 10163784), (2157, 9348608), (2356, 8558976), (2432, 8291508), (2876, 7011456), (2883, 6994432), (2976, 6775856), (3534, 5705984), (3648, 5527672), (3844, 5245824), (3968, 5081892), (4314, 4674304), (4712, 4279488), (4864, 4145754), (5752, 3505728), (5766, 3497216), (5952, 3387928), (7068, 2852992), (7296, 2763836), (7688, 2622912), (7936, 2540946), (8628, 2337152), (9424, 2139744), (9728, 2072877), (11504, 1752864), (11532, 1748608), (11904, 1693964), (13661, 1476096), (14136, 1426496), (14592, 1381918), (15376, 1311456), (15872, 1270473), (17256, 1168576), (18259, 1104384), (18848, 1069872), (22289, 904704), (23008, 876432), (23064, 874304), (23808, 846982), (27322, 738048), (28272, 713248), (29184, 690959), (30752, 655728), (34512, 584288), (36518, 552192), (37696, 534936), (40983, 492032), (44578, 452352), (46016, 438216), (46128, 437152), (47616, 423491), (54644, 369024), (54777, 368128), (56544, 356624), (61504, 327864), (66867, 301568), (69024, 292144), (73036, 276096), (75392, 267468), (81966, 246016), (89156, 226176), (92032, 219108), (92256, 218576), (109288, 184512), (109554, 184064), (113088, 178312), (123008, 163932), (133734, 150784), (138048, 146072)]