20996751

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{761}}^1$

素因数の和:1322

約数の個数: 16

約数和(自身を含む): 29736288

約数和(自身を除く): 8739537

約数列:

[1, 3, 17, 51, 541, 761, 1623, 2283, 9197, 12937, 27591, 38811, 411701, 1235103, 6998917, 20996751]

約数ペア:

[(1, 20996751), (3, 6998917), (17, 1235103), (51, 411701), (541, 38811), (761, 27591), (1623, 12937), (2283, 9197)]