20798004

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 51710400

約数和(自身を除く): 30912396

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 269, 379, 538, 758, 807, 1076, 1137, 1516, 1614, 2274, 3228, 4548, 4573, 6443, 9146, 12886, 13719, 18292, 19329, 25772, 27438, 38658, 54876, 77316, 101951, 203902, 305853, 407804, 611706, 1223412, 1733167, 3466334, 5199501, 6932668, 10399002, 20798004]

約数ペア:

[(1, 20798004), (2, 10399002), (3, 6932668), (4, 5199501), (6, 3466334), (12, 1733167), (17, 1223412), (34, 611706), (51, 407804), (68, 305853), (102, 203902), (204, 101951), (269, 77316), (379, 54876), (538, 38658), (758, 27438), (807, 25772), (1076, 19329), (1137, 18292), (1516, 13719), (1614, 12886), (2274, 9146), (3228, 6443), (4548, 4573)]