20047845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2711}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 35147520

約数和(自身を除く): 15099675

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 2711, 7395, 8133, 13555, 40665, 46087, 78619, 138261, 230435, 235857, 393095, 691305, 1179285, 1336523, 4009569, 6682615, 20047845]

約数ペア:

[(1, 20047845), (3, 6682615), (5, 4009569), (15, 1336523), (17, 1179285), (29, 691305), (51, 393095), (85, 235857), (87, 230435), (145, 138261), (255, 78619), (435, 46087), (493, 40665), (1479, 13555), (2465, 8133), (2711, 7395)]