20149282538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{178987}}^1$

素因数の和:179067

約数の個数: 64

約数和(自身を含む): 40826446848

約数和(自身を除く): 20677164310

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 43, 77, 86, 119, 154, 187, 238, 301, 374, 473, 602, 731, 946, 1309, 1462, 2618, 3311, 5117, 6622, 8041, 10234, 16082, 56287, 112574, 178987, 357974, 1252909, 1968857, 2505818, 3042779, 3937714, 6085558, 7696441, 13781999, 15392882, 21299453, 27563998, 33470569, 42598906, 53875087, 66941138, 84660851, 107750174, 130839497, 169321702, 234293983, 261678994, 468587966, 592625957, 915876479, 1185251914, 1439234467, 1831752958, 2878468934, 10074641269, 20149282538]

約数ペア:

[(1, 20149282538), (2, 10074641269), (7, 2878468934), (11, 1831752958), (14, 1439234467), (17, 1185251914), (22, 915876479), (34, 592625957), (43, 468587966), (77, 261678994), (86, 234293983), (119, 169321702), (154, 130839497), (187, 107750174), (238, 84660851), (301, 66941138), (374, 53875087), (473, 42598906), (602, 33470569), (731, 27563998), (946, 21299453), (1309, 15392882), (1462, 13781999), (2618, 7696441), (3311, 6085558), (5117, 3937714), (6622, 3042779), (8041, 2505818), (10234, 1968857), (16082, 1252909), (56287, 357974), (112574, 178987)]