20153193

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 27955200

約数和(自身を除く): 7802007

約数列:

[1, 3, 31, 93, 139, 417, 1559, 4309, 4677, 12927, 48329, 144987, 216701, 650103, 6717731, 20153193]

約数ペア:

[(1, 20153193), (3, 6717731), (31, 650103), (93, 216701), (139, 144987), (417, 48329), (1559, 12927), (4309, 4677)]