20196556901

素因数分解:

${\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{708179}}^1$

素因数の和:708296

約数の個数: 12

約数和(自身を含む): 21585326400

約数和(自身を除く): 1388769499

約数列:

[1, 19, 79, 361, 1501, 28519, 708179, 13455401, 55946141, 255652619, 1062976679, 20196556901]

約数ペア:

[(1, 20196556901), (19, 1062976679), (79, 255652619), (361, 55946141), (1501, 13455401), (28519, 708179)]