20281569315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{769553}}^1$

素因数の和:769819

約数の個数: 32

約数和(自身を含む): 37234100736

約数和(自身を除く): 16952531421

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1255, 1757, 3765, 5271, 8785, 26355, 769553, 2308659, 3847765, 5386871, 11543295, 16160613, 26934355, 80803065, 193157803, 579473409, 965789015, 1352104621, 2897367045, 4056313863, 6760523105, 20281569315]

約数ペア:

[(1, 20281569315), (3, 6760523105), (5, 4056313863), (7, 2897367045), (15, 1352104621), (21, 965789015), (35, 579473409), (105, 193157803), (251, 80803065), (753, 26934355), (1255, 16160613), (1757, 11543295), (3765, 5386871), (5271, 3847765), (8785, 2308659), (26355, 769553)]