20119176021

素因数分解:

$3^1\times 7^2\times {\mathrm{136865143}}^1$

素因数の和:136865160

約数の個数: 12

約数和(自身を含む): 31205252832

約数和(自身を除く): 11086076811

約数列:

[1, 3, 7, 21, 49, 147, 136865143, 410595429, 958056001, 2874168003, 6706392007, 20119176021]

約数ペア:

[(1, 20119176021), (3, 6706392007), (7, 2874168003), (21, 958056001), (49, 410595429), (147, 136865143)]