20173787795

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149441}}^1$

素因数の和:149508

約数の個数: 48

約数和(自身を含む): 30665498400

約数和(自身を除く): 10491710605

約数列:

[1, 5, 7, 19, 29, 35, 49, 95, 133, 145, 203, 245, 551, 665, 931, 1015, 1421, 2755, 3857, 4655, 7105, 19285, 26999, 134995, 149441, 747205, 1046087, 2839379, 4333789, 5230435, 7322609, 14196895, 19875653, 21668945, 30336523, 36613045, 82341991, 99378265, 139129571, 151682615, 212355661, 411709955, 576393937, 695647855, 1061778305, 2881969685, 4034757559, 20173787795]

約数ペア:

[(1, 20173787795), (5, 4034757559), (7, 2881969685), (19, 1061778305), (29, 695647855), (35, 576393937), (49, 411709955), (95, 212355661), (133, 151682615), (145, 139129571), (203, 99378265), (245, 82341991), (551, 36613045), (665, 30336523), (931, 21668945), (1015, 19875653), (1421, 14196895), (2755, 7322609), (3857, 5230435), (4655, 4333789), (7105, 2839379), (19285, 1046087), (26999, 747205), (134995, 149441)]