20177979119

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{21277}}^1$

素因数の和:21423

約数の個数: 24

約数和(自身を含む): 22180527648

約数和(自身を除く): 2002548529

約数列:

[1, 19, 37, 71, 361, 703, 1349, 2627, 13357, 21277, 25631, 49913, 404263, 787249, 948347, 1510667, 7680997, 14957731, 28702673, 55894679, 284196889, 545350787, 1061998901, 20177979119]

約数ペア:

[(1, 20177979119), (19, 1061998901), (37, 545350787), (71, 284196889), (361, 55894679), (703, 28702673), (1349, 14957731), (2627, 7680997), (13357, 1510667), (21277, 948347), (25631, 787249), (49913, 404263)]