20320454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5737}}^1$

素因数の和:5780

約数の個数: 32

約数和(自身を含む): 39661056

約数和(自身を除く): 19340602

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5737, 11474, 40159, 63107, 80318, 126214, 131951, 263902, 441749, 883498, 923657, 1451461, 1847314, 2902922, 10160227, 20320454]

約数ペア:

[(1, 20320454), (2, 10160227), (7, 2902922), (11, 1847314), (14, 1451461), (22, 923657), (23, 883498), (46, 441749), (77, 263902), (154, 131951), (161, 126214), (253, 80318), (322, 63107), (506, 40159), (1771, 11474), (3542, 5737)]