20215499521

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1924003}}^1$

素因数の和:1924108

約数の個数: 16

約数和(自身を含む): 24627251200

約数和(自身を除く): 4411751679

約数列:

[1, 7, 19, 79, 133, 553, 1501, 10507, 1924003, 13468021, 36556057, 151996237, 255892399, 1063973659, 2887928503, 20215499521]

約数ペア:

[(1, 20215499521), (7, 2887928503), (19, 1063973659), (79, 255892399), (133, 151996237), (553, 36556057), (1501, 13468021), (10507, 1924003)]