20972922985

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{59809}}^1$

素因数の和:60097

約数の個数: 32

約数和(自身を含む): 29558580480

約数和(自身を除く): 8585657495

約数列:

[1, 5, 7, 35, 43, 215, 233, 301, 1165, 1505, 1631, 8155, 10019, 50095, 59809, 70133, 299045, 350665, 418663, 2093315, 2571787, 12858935, 13935497, 18002509, 69677485, 90012545, 97548479, 487742395, 599226371, 2996131855, 4194584597, 20972922985]

約数ペア:

[(1, 20972922985), (5, 4194584597), (7, 2996131855), (35, 599226371), (43, 487742395), (215, 97548479), (233, 90012545), (301, 69677485), (1165, 18002509), (1505, 13935497), (1631, 12858935), (8155, 2571787), (10019, 2093315), (50095, 418663), (59809, 350665), (70133, 299045)]