20804916855

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{40697}}^1$

素因数の和:41075

約数の個数: 32

約数和(自身を含む): 33651059904

約数和(自身を除く): 12846143049

約数列:

[1, 3, 5, 15, 173, 197, 519, 591, 865, 985, 2595, 2955, 34081, 40697, 102243, 122091, 170405, 203485, 511215, 610455, 7040581, 8017309, 21121743, 24051927, 35202905, 40086545, 105608715, 120259635, 1386994457, 4160983371, 6934972285, 20804916855]

約数ペア:

[(1, 20804916855), (3, 6934972285), (5, 4160983371), (15, 1386994457), (173, 120259635), (197, 105608715), (519, 40086545), (591, 35202905), (865, 24051927), (985, 21121743), (2595, 8017309), (2955, 7040581), (34081, 610455), (40697, 511215), (102243, 203485), (122091, 170405)]