20505210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{62137}}^1$

素因数の和:62158

約数の個数: 32

約数和(自身を含む): 53687232

約数和(自身を除く): 33182022

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 62137, 124274, 186411, 310685, 372822, 621370, 683507, 932055, 1367014, 1864110, 2050521, 3417535, 4101042, 6835070, 10252605, 20505210]

約数ペア:

[(1, 20505210), (2, 10252605), (3, 6835070), (5, 4101042), (6, 3417535), (10, 2050521), (11, 1864110), (15, 1367014), (22, 932055), (30, 683507), (33, 621370), (55, 372822), (66, 310685), (110, 186411), (165, 124274), (330, 62137)]