20173905112

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{421907}}^1$

素因数の和:422095

約数の個数: 32

約数和(自身を含む): 38984299200

約数和(自身を除く): 18810394088

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 1112, 5977, 11954, 23908, 47816, 421907, 843814, 1687628, 3375256, 18142001, 36284002, 58645073, 72568004, 117290146, 145136008, 234580292, 469160584, 2521738139, 5043476278, 10086952556, 20173905112]

約数ペア:

[(1, 20173905112), (2, 10086952556), (4, 5043476278), (8, 2521738139), (43, 469160584), (86, 234580292), (139, 145136008), (172, 117290146), (278, 72568004), (344, 58645073), (556, 36284002), (1112, 18142001), (5977, 3375256), (11954, 1687628), (23908, 843814), (47816, 421907)]