20790403910

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1\times {\mathrm{50159}}^1$

素因数の和:50576

約数の個数: 32

約数和(自身を含む): 37794556800

約数和(自身を除く): 17004152890

約数列:

[1, 2, 5, 10, 181, 229, 362, 458, 905, 1145, 1810, 2290, 41449, 50159, 82898, 100318, 207245, 250795, 414490, 501590, 9078779, 11486411, 18157558, 22972822, 45393895, 57432055, 90787790, 114864110, 2079040391, 4158080782, 10395201955, 20790403910]

約数ペア:

[(1, 20790403910), (2, 10395201955), (5, 4158080782), (10, 2079040391), (181, 114864110), (229, 90787790), (362, 57432055), (458, 45393895), (905, 22972822), (1145, 18157558), (1810, 11486411), (2290, 9078779), (41449, 501590), (50159, 414490), (82898, 250795), (100318, 207245)]