20472815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1483}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 26925696

約数和(自身を除く): 6452881

約数列:

[1, 5, 11, 55, 251, 1255, 1483, 2761, 7415, 13805, 16313, 81565, 372233, 1861165, 4094563, 20472815]

約数ペア:

[(1, 20472815), (5, 4094563), (11, 1861165), (55, 372233), (251, 81565), (1255, 16313), (1483, 13805), (2761, 7415)]