20145123921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4067257}}^1$

素因数の和:4067400

約数の個数: 16

約数和(自身を含む): 29154105344

約数和(自身を除く): 9008981423

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4953, 4067257, 12201771, 52874341, 158623023, 516541639, 1549624917, 6715041307, 20145123921]

約数ペア:

[(1, 20145123921), (3, 6715041307), (13, 1549624917), (39, 516541639), (127, 158623023), (381, 52874341), (1651, 12201771), (4953, 4067257)]