20111817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12967}}^1$

素因数の和:13028

約数の個数: 16

約数和(自身を含む): 29878272

約数和(自身を除く): 9766455

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12967, 38901, 142637, 427911, 609449, 1828347, 6703939, 20111817]

約数ペア:

[(1, 20111817), (3, 6703939), (11, 1828347), (33, 609449), (47, 427911), (141, 142637), (517, 38901), (1551, 12967)]