20353710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52189}}^1$

素因数の和:52212

約数の個数: 32

約数和(自身を含む): 52607520

約数和(自身を除く): 32253810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52189, 104378, 156567, 260945, 313134, 521890, 678457, 782835, 1356914, 1565670, 2035371, 3392285, 4070742, 6784570, 10176855, 20353710]

約数ペア:

[(1, 20353710), (2, 10176855), (3, 6784570), (5, 4070742), (6, 3392285), (10, 2035371), (13, 1565670), (15, 1356914), (26, 782835), (30, 678457), (39, 521890), (65, 313134), (78, 260945), (130, 156567), (195, 104378), (390, 52189)]