20948116

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{3917}}^1$

素因数の和:4119

約数の個数: 24

約数和(自身を含む): 42126336

約数和(自身を除く): 21178220

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 3917, 5348, 7834, 15668, 27419, 54838, 109676, 748147, 1496294, 2992588, 5237029, 10474058, 20948116]

約数ペア:

[(1, 20948116), (2, 10474058), (4, 5237029), (7, 2992588), (14, 1496294), (28, 748147), (191, 109676), (382, 54838), (764, 27419), (1337, 15668), (2674, 7834), (3917, 5348)]