20165620065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{170801}}^1$

素因数の和:171289

約数の個数: 32

約数和(自身を含む): 34236919296

約数和(自身を除く): 14071299231

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 463, 1389, 2315, 6945, 7871, 23613, 39355, 118065, 170801, 512403, 854005, 2562015, 2903617, 8710851, 14518085, 43554255, 79080863, 237242589, 395404315, 1186212945, 1344374671, 4033124013, 6721873355, 20165620065]

約数ペア:

[(1, 20165620065), (3, 6721873355), (5, 4033124013), (15, 1344374671), (17, 1186212945), (51, 395404315), (85, 237242589), (255, 79080863), (463, 43554255), (1389, 14518085), (2315, 8710851), (6945, 2903617), (7871, 2562015), (23613, 854005), (39355, 512403), (118065, 170801)]