20402220387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21054923}}^1$

素因数の和:21054962

約数の個数: 16

約数和(自身を含む): 30319090560

約数和(自身を除く): 9916870173

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 21054923, 63164769, 357933691, 400043537, 1073801073, 1200130611, 6800740129, 20402220387]

約数ペア:

[(1, 20402220387), (3, 6800740129), (17, 1200130611), (19, 1073801073), (51, 400043537), (57, 357933691), (323, 63164769), (969, 21054923)]