20998374

素因数分解:

$2^1\times 3^1\times {\mathrm{541}}^1\times {\mathrm{6469}}^1$

素因数の和:7015

約数の個数: 16

約数和(自身を含む): 42080880

約数和(自身を除く): 21082506

約数列:

[1, 2, 3, 6, 541, 1082, 1623, 3246, 6469, 12938, 19407, 38814, 3499729, 6999458, 10499187, 20998374]

約数ペア:

[(1, 20998374), (2, 10499187), (3, 6999458), (6, 3499729), (541, 38814), (1082, 19407), (1623, 12938), (3246, 6469)]