20895404

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1237}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 37853088

約数和(自身を除く): 16957684

約数列:

[1, 2, 4, 41, 82, 103, 164, 206, 412, 1237, 2474, 4223, 4948, 8446, 16892, 50717, 101434, 127411, 202868, 254822, 509644, 5223851, 10447702, 20895404]

約数ペア:

[(1, 20895404), (2, 10447702), (4, 5223851), (41, 509644), (82, 254822), (103, 202868), (164, 127411), (206, 101434), (412, 50717), (1237, 16892), (2474, 8446), (4223, 4948)]