20919374

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9281}}^1$

素因数の和:9320

約数の個数: 24

約数和(自身を含む): 38093328

約数和(自身を除く): 17173954

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9281, 18562, 64967, 129934, 213463, 426926, 454769, 909538, 1494241, 2988482, 10459687, 20919374]

約数ペア:

[(1, 20919374), (2, 10459687), (7, 2988482), (14, 1494241), (23, 909538), (46, 454769), (49, 426926), (98, 213463), (161, 129934), (322, 64967), (1127, 18562), (2254, 9281)]