20702934973

素因数分解:

$7^3\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{1049}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 24383520000

約数和(自身を除く): 3680585027

約数列:

[1, 7, 49, 163, 343, 353, 1049, 1141, 2471, 7343, 7987, 17297, 51401, 55909, 57539, 121079, 170987, 359807, 370297, 402773, 1196909, 2592079, 2819411, 8378363, 18144553, 19735877, 58648541, 60358411, 127011871, 422508877, 2957562139, 20702934973]

約数ペア:

[(1, 20702934973), (7, 2957562139), (49, 422508877), (163, 127011871), (343, 60358411), (353, 58648541), (1049, 19735877), (1141, 18144553), (2471, 8378363), (7343, 2819411), (7987, 2592079), (17297, 1196909), (51401, 402773), (55909, 370297), (57539, 359807), (121079, 170987)]