20126249

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{487}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 25169088

約数和(自身を除く): 5042839

約数列:

[1, 11, 13, 17, 143, 187, 221, 289, 487, 2431, 3179, 3757, 5357, 6331, 8279, 41327, 69641, 91069, 107627, 140743, 1183897, 1548173, 1829659, 20126249]

約数ペア:

[(1, 20126249), (11, 1829659), (13, 1548173), (17, 1183897), (143, 140743), (187, 107627), (221, 91069), (289, 69641), (487, 41327), (2431, 8279), (3179, 6331), (3757, 5357)]