20487441

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11177}}^1$

素因数の和:11240

約数の個数: 16

約数和(自身を含む): 30046464

約数和(自身を除く): 9559023

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11177, 33531, 145301, 435903, 525319, 1575957, 6829147, 20487441]

約数ペア:

[(1, 20487441), (3, 6829147), (13, 1575957), (39, 525319), (47, 435903), (141, 145301), (611, 33531), (1833, 11177)]