20209665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6637}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 38234880

約数和(自身を除く): 18025215

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6637, 19911, 33185, 46459, 99555, 139377, 192473, 232295, 577419, 696885, 962365, 1347311, 2887095, 4041933, 6736555, 20209665]

約数ペア:

[(1, 20209665), (3, 6736555), (5, 4041933), (7, 2887095), (15, 1347311), (21, 962365), (29, 696885), (35, 577419), (87, 232295), (105, 192473), (145, 139377), (203, 99555), (435, 46459), (609, 33185), (1015, 19911), (3045, 6637)]