20098580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 24717100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 233, 380, 454, 466, 908, 932, 1135, 1165, 2270, 2330, 4313, 4427, 4540, 4660, 8626, 8854, 17252, 17708, 21565, 22135, 43130, 44270, 52891, 86260, 88540, 105782, 211564, 264455, 528910, 1004929, 1057820, 2009858, 4019716, 5024645, 10049290, 20098580]

約数ペア:

[(1, 20098580), (2, 10049290), (4, 5024645), (5, 4019716), (10, 2009858), (19, 1057820), (20, 1004929), (38, 528910), (76, 264455), (95, 211564), (190, 105782), (227, 88540), (233, 86260), (380, 52891), (454, 44270), (466, 43130), (908, 22135), (932, 21565), (1135, 17708), (1165, 17252), (2270, 8854), (2330, 8626), (4313, 4660), (4427, 4540)]