20865754

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8819}}^1$

素因数の和:8854

約数の個数: 24

約数和(自身を含む): 38737440

約数和(自身を除く): 17871686

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8819, 17638, 61733, 114647, 123466, 229294, 802529, 1490411, 1605058, 2980822, 10432877, 20865754]

約数ペア:

[(1, 20865754), (2, 10432877), (7, 2980822), (13, 1605058), (14, 1490411), (26, 802529), (91, 229294), (169, 123466), (182, 114647), (338, 61733), (1183, 17638), (2366, 8819)]