20912294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7517}}^1$

素因数の和:7639

約数の個数: 16

約数和(自身を含む): 34101648

約数和(自身を除く): 13189354

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7517, 15034, 97721, 195442, 804319, 1608638, 10456147, 20912294]

約数ペア:

[(1, 20912294), (2, 10456147), (13, 1608638), (26, 804319), (107, 195442), (214, 97721), (1391, 15034), (2782, 7517)]