20305585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1013}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 25796160

約数和(自身を除く): 5490575

約数列:

[1, 5, 19, 95, 211, 1013, 1055, 4009, 5065, 19247, 20045, 96235, 213743, 1068715, 4061117, 20305585]

約数ペア:

[(1, 20305585), (5, 4061117), (19, 1068715), (95, 213743), (211, 96235), (1013, 20045), (1055, 19247), (4009, 5065)]