20247487568

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^2\times {\mathrm{30491}}^1$

素因数の和:30542

約数の個数: 120

約数和(自身を含む): 50287406400

約数和(自身を除く): 30039918832

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 343, 392, 484, 539, 616, 686, 784, 847, 968, 1078, 1232, 1372, 1694, 1936, 2156, 2744, 3388, 3773, 4312, 5488, 5929, 6776, 7546, 8624, 11858, 13552, 15092, 23716, 30184, 30491, 41503, 47432, 60368, 60982, 83006, 94864, 121964, 166012, 213437, 243928, 332024, 335401, 426874, 487856, 664048, 670802, 853748, 1341604, 1494059, 1707496, 2347807, 2683208, 2988118, 3414992, 3689411, 4695614, 5366416, 5976236, 7378822, 9391228, 10458413, 11952472, 14757644, 16434649, 18782456, 20916826, 23904944, 25825877, 29515288, 32869298, 37564912, 41833652, 51651754, 59030576, 65738596, 83667304, 103303508, 115042543, 131477192, 167334608, 180781139, 206607016, 230085086, 262954384, 361562278, 413214032, 460170172, 723124556, 920340344, 1265467973, 1446249112, 1840680688, 2530935946, 2892498224, 5061871892, 10123743784, 20247487568]

約数ペア:

[(1, 20247487568), (2, 10123743784), (4, 5061871892), (7, 2892498224), (8, 2530935946), (11, 1840680688), (14, 1446249112), (16, 1265467973), (22, 920340344), (28, 723124556), (44, 460170172), (49, 413214032), (56, 361562278), (77, 262954384), (88, 230085086), (98, 206607016), (112, 180781139), (121, 167334608), (154, 131477192), (176, 115042543), (196, 103303508), (242, 83667304), (308, 65738596), (343, 59030576), (392, 51651754), (484, 41833652), (539, 37564912), (616, 32869298), (686, 29515288), (784, 25825877), (847, 23904944), (968, 20916826), (1078, 18782456), (1232, 16434649), (1372, 14757644), (1694, 11952472), (1936, 10458413), (2156, 9391228), (2744, 7378822), (3388, 5976236), (3773, 5366416), (4312, 4695614), (5488, 3689411), (5929, 3414992), (6776, 2988118), (7546, 2683208), (8624, 2347807), (11858, 1707496), (13552, 1494059), (15092, 1341604), (23716, 853748), (30184, 670802), (30491, 664048), (41503, 487856), (47432, 426874), (60368, 335401), (60982, 332024), (83006, 243928), (94864, 213437), (121964, 166012)]