20728776

素因数分解:

$2^3\times 3^1\times {\mathrm{61}}^1\times {\mathrm{14159}}^1$

素因数の和:14229

約数の個数: 32

約数和(自身を含む): 52675200

約数和(自身を除く): 31946424

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 61, 122, 183, 244, 366, 488, 732, 1464, 14159, 28318, 42477, 56636, 84954, 113272, 169908, 339816, 863699, 1727398, 2591097, 3454796, 5182194, 6909592, 10364388, 20728776]

約数ペア:

[(1, 20728776), (2, 10364388), (3, 6909592), (4, 5182194), (6, 3454796), (8, 2591097), (12, 1727398), (24, 863699), (61, 339816), (122, 169908), (183, 113272), (244, 84954), (366, 56636), (488, 42477), (732, 28318), (1464, 14159)]