20070145151

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{21557621}}^1$

素因数の和:21557654

約数の個数: 12

約数和(自身を含む): 24575689080

約数和(自身を除く): 4505543929

約数列:

[1, 7, 19, 49, 133, 931, 21557621, 150903347, 409594799, 1056323429, 2867163593, 20070145151]

約数ペア:

[(1, 20070145151), (7, 2867163593), (19, 1056323429), (49, 409594799), (133, 150903347), (931, 21557621)]