20101395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4637}}^1$

素因数の和:4679

約数の個数: 24

約数和(自身を含む): 34172784

約数和(自身を除く): 14071389

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4637, 13911, 23185, 69555, 78829, 236487, 394145, 1182435, 1340093, 4020279, 6700465, 20101395]

約数ペア:

[(1, 20101395), (3, 6700465), (5, 4020279), (15, 1340093), (17, 1182435), (51, 394145), (85, 236487), (255, 78829), (289, 69555), (867, 23185), (1445, 13911), (4335, 4637)]