20650786

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:706

約数の個数: 24

約数和(自身を含む): 33915024

約数和(自身を除く): 13264238

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 571, 1142, 1391, 2782, 7423, 14846, 18083, 36166, 61097, 96499, 122194, 192998, 794261, 1588522, 10325393, 20650786]

約数ペア:

[(1, 20650786), (2, 10325393), (13, 1588522), (26, 794261), (107, 192998), (169, 122194), (214, 96499), (338, 61097), (571, 36166), (1142, 18083), (1391, 14846), (2782, 7423)]