20954247

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:958

約数の個数: 16

約数和(自身を含む): 28833792

約数和(自身を除く): 7879545

約数列:

[1, 3, 37, 111, 311, 607, 933, 1821, 11507, 22459, 34521, 67377, 188777, 566331, 6984749, 20954247]

約数ペア:

[(1, 20954247), (3, 6984749), (37, 566331), (111, 188777), (311, 67377), (607, 34521), (933, 22459), (1821, 11507)]