20988483

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^2$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 30340800

約数和(自身を除く): 9352317

約数列:

[1, 3, 19, 57, 59, 79, 177, 237, 1121, 1501, 3363, 4503, 4661, 6241, 13983, 18723, 88559, 118579, 265677, 355737, 368219, 1104657, 6996161, 20988483]

約数ペア:

[(1, 20988483), (3, 6996161), (19, 1104657), (57, 368219), (59, 355737), (79, 265677), (177, 118579), (237, 88559), (1121, 18723), (1501, 13983), (3363, 6241), (4503, 4661)]