20512334507

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{7477}}^1\times {\mathrm{20627}}^1$

素因数の和:28130

約数の個数: 16

約数和(自身を含む): 24680989440

約数和(自身を除く): 4168654933

約数列:

[1, 7, 19, 133, 7477, 20627, 52339, 142063, 144389, 391913, 994441, 2743391, 154228079, 1079596553, 2930333501, 20512334507]

約数ペア:

[(1, 20512334507), (7, 2930333501), (19, 1079596553), (133, 154228079), (7477, 2743391), (20627, 994441), (52339, 391913), (142063, 144389)]