20378966

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:548

約数の個数: 24

約数和(自身を含む): 33031152

約数和(自身を除く): 12652186

約数列:

[1, 2, 23, 31, 46, 62, 461, 713, 922, 961, 1426, 1922, 10603, 14291, 21206, 22103, 28582, 44206, 328693, 443021, 657386, 886042, 10189483, 20378966]

約数ペア:

[(1, 20378966), (2, 10189483), (23, 886042), (31, 657386), (46, 443021), (62, 328693), (461, 44206), (713, 28582), (922, 22103), (961, 21206), (1426, 14291), (1922, 10603)]