20199942917

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3406973}}^1$

素因数の和:3407009

約数の個数: 18

約数和(自身を含む): 25828269894

約数和(自身を除く): 5628326977

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 3406973, 23848811, 37476703, 166941677, 262336921, 412243733, 1836358447, 2885706131, 20199942917]

約数ペア:

[(1, 20199942917), (7, 2885706131), (11, 1836358447), (49, 412243733), (77, 262336921), (121, 166941677), (539, 37476703), (847, 23848811), (5929, 3406973)]