20665282

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 35311104

約数和(自身を除く): 14645822

約数列:

[1, 2, 11, 22, 31, 62, 157, 193, 314, 341, 386, 682, 1727, 2123, 3454, 4246, 4867, 5983, 9734, 11966, 30301, 53537, 60602, 65813, 107074, 131626, 333311, 666622, 939331, 1878662, 10332641, 20665282]

約数ペア:

[(1, 20665282), (2, 10332641), (11, 1878662), (22, 939331), (31, 666622), (62, 333311), (157, 131626), (193, 107074), (314, 65813), (341, 60602), (386, 53537), (682, 30301), (1727, 11966), (2123, 9734), (3454, 5983), (4246, 4867)]