20187576876

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{379837}}^1$

素因数の和:379990

約数の個数: 48

約数和(自身を含む): 48667883264

約数和(自身を除く): 28480306388

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 103, 129, 172, 206, 258, 309, 412, 516, 618, 1236, 4429, 8858, 13287, 17716, 26574, 53148, 379837, 759674, 1139511, 1519348, 2279022, 4558044, 16332991, 32665982, 39123211, 48998973, 65331964, 78246422, 97997946, 117369633, 156492844, 195995892, 234739266, 469478532, 1682298073, 3364596146, 5046894219, 6729192292, 10093788438, 20187576876]

約数ペア:

[(1, 20187576876), (2, 10093788438), (3, 6729192292), (4, 5046894219), (6, 3364596146), (12, 1682298073), (43, 469478532), (86, 234739266), (103, 195995892), (129, 156492844), (172, 117369633), (206, 97997946), (258, 78246422), (309, 65331964), (412, 48998973), (516, 39123211), (618, 32665982), (1236, 16332991), (4429, 4558044), (8858, 2279022), (13287, 1519348), (17716, 1139511), (26574, 759674), (53148, 379837)]