20490261

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1201}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 30694272

約数和(自身を除く): 10204011

約数列:

[1, 3, 11, 33, 47, 121, 141, 363, 517, 1201, 1551, 3603, 5687, 13211, 17061, 39633, 56447, 145321, 169341, 435963, 620917, 1862751, 6830087, 20490261]

約数ペア:

[(1, 20490261), (3, 6830087), (11, 1862751), (33, 620917), (47, 435963), (121, 169341), (141, 145321), (363, 56447), (517, 39633), (1201, 17061), (1551, 13211), (3603, 5687)]