20111901

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12772

約数の個数: 16

約数和(自身を含む): 29311488

約数和(自身を除く): 9199587

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12721, 38163, 216257, 394351, 648771, 1183053, 6703967, 20111901]

約数ペア:

[(1, 20111901), (3, 6703967), (17, 1183053), (31, 648771), (51, 394351), (93, 216257), (527, 38163), (1581, 12721)]