20878346

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{929}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 33245640

約数和(自身を除く): 12367294

約数列:

[1, 2, 17, 34, 661, 929, 1322, 1858, 11237, 15793, 22474, 31586, 614069, 1228138, 10439173, 20878346]

約数ペア:

[(1, 20878346), (2, 10439173), (17, 1228138), (34, 614069), (661, 31586), (929, 22474), (1322, 15793), (1858, 11237)]