20792005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 27668088

約数和(自身を除く): 6876083

約数列:

[1, 5, 13, 43, 65, 173, 215, 559, 865, 1849, 2249, 2795, 7439, 9245, 11245, 24037, 37195, 96707, 120185, 319877, 483535, 1599385, 4158401, 20792005]

約数ペア:

[(1, 20792005), (5, 4158401), (13, 1599385), (43, 483535), (65, 319877), (173, 120185), (215, 96707), (559, 37195), (865, 24037), (1849, 11245), (2249, 9245), (2795, 7439)]