20603902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30211}}^1$

素因数の和:30255

約数の個数: 16

約数和(自身を含む): 34804224

約数和(自身を除く): 14200322

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30211, 60422, 332321, 664642, 936541, 1873082, 10301951, 20603902]

約数ペア:

[(1, 20603902), (2, 10301951), (11, 1873082), (22, 936541), (31, 664642), (62, 332321), (341, 60422), (682, 30211)]