20770684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{863}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 39771648

約数和(自身を除く): 19000964

約数列:

[1, 2, 4, 11, 22, 44, 547, 863, 1094, 1726, 2188, 3452, 6017, 9493, 12034, 18986, 24068, 37972, 472061, 944122, 1888244, 5192671, 10385342, 20770684]

約数ペア:

[(1, 20770684), (2, 10385342), (4, 5192671), (11, 1888244), (22, 944122), (44, 472061), (547, 37972), (863, 24068), (1094, 18986), (1726, 12034), (2188, 9493), (3452, 6017)]