20158871845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{218087}}^1$

素因数の和:218257

約数の個数: 32

約数和(自身を含む): 29311027200

約数和(自身を除く): 9152155355

約数列:

[1, 5, 7, 19, 35, 95, 133, 139, 665, 695, 973, 2641, 4865, 13205, 18487, 92435, 218087, 1090435, 1526609, 4143653, 7633045, 20718265, 29005571, 30314093, 145027855, 151570465, 212198651, 575967767, 1060993255, 2879838835, 4031774369, 20158871845]

約数ペア:

[(1, 20158871845), (5, 4031774369), (7, 2879838835), (19, 1060993255), (35, 575967767), (95, 212198651), (133, 151570465), (139, 145027855), (665, 30314093), (695, 29005571), (973, 20718265), (2641, 7633045), (4865, 4143653), (13205, 1526609), (18487, 1090435), (92435, 218087)]