20163379705

素因数分解:

$5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{248639}}^1$

素因数の和:248989

約数の個数: 24

約数和(自身を含む): 28231580160

約数和(自身を除く): 8068200455

約数列:

[1, 5, 7, 35, 49, 245, 331, 1655, 2317, 11585, 16219, 81095, 248639, 1243195, 1740473, 8702365, 12183311, 60916555, 82299509, 411497545, 576096563, 2880482815, 4032675941, 20163379705]

約数ペア:

[(1, 20163379705), (5, 4032675941), (7, 2880482815), (35, 576096563), (49, 411497545), (245, 82299509), (331, 60916555), (1655, 12183311), (2317, 8702365), (11585, 1740473), (16219, 1243195), (81095, 248639)]