20214999

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2036

約数の個数: 36

約数和(自身を含む): 35461296

約数和(自身を除く): 15246297

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1993, 3381, 5979, 10143, 13951, 17937, 41853, 45839, 97657, 125559, 137517, 292971, 320873, 412551, 878913, 962619, 2246111, 2887857, 6738333, 20214999]

約数ペア:

[(1, 20214999), (3, 6738333), (7, 2887857), (9, 2246111), (21, 962619), (23, 878913), (49, 412551), (63, 320873), (69, 292971), (147, 137517), (161, 125559), (207, 97657), (441, 45839), (483, 41853), (1127, 17937), (1449, 13951), (1993, 10143), (3381, 5979)]