20843287842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267221639}}^1$

素因数の和:267221657

約数の個数: 16

約数和(自身を含む): 44893235520

約数和(自身を除く): 24049947678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267221639, 534443278, 801664917, 1603329834, 3473881307, 6947762614, 10421643921, 20843287842]

約数ペア:

[(1, 20843287842), (2, 10421643921), (3, 6947762614), (6, 3473881307), (13, 1603329834), (26, 801664917), (39, 534443278), (78, 267221639)]