20154687091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{209567}}^1$

素因数の和:210834

約数の個数: 16

約数和(自身を含む): 25148160000

約数和(自身を除く): 4993472909

約数列:

[1, 7, 11, 77, 1249, 8743, 13739, 96173, 209567, 1466969, 2305237, 16136659, 261749183, 1832244281, 2879241013, 20154687091]

約数ペア:

[(1, 20154687091), (7, 2879241013), (11, 1832244281), (77, 261749183), (1249, 16136659), (8743, 2305237), (13739, 1466969), (96173, 209567)]