20563060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{769}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 49674240

約数和(自身を除く): 29111180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 764, 769, 955, 1337, 1538, 1910, 2674, 3076, 3820, 3845, 5348, 5383, 6685, 7690, 10766, 13370, 15380, 21532, 26740, 26915, 53830, 107660, 146879, 293758, 587516, 734395, 1028153, 1468790, 2056306, 2937580, 4112612, 5140765, 10281530, 20563060]

約数ペア:

[(1, 20563060), (2, 10281530), (4, 5140765), (5, 4112612), (7, 2937580), (10, 2056306), (14, 1468790), (20, 1028153), (28, 734395), (35, 587516), (70, 293758), (140, 146879), (191, 107660), (382, 53830), (764, 26915), (769, 26740), (955, 21532), (1337, 15380), (1538, 13370), (1910, 10766), (2674, 7690), (3076, 6685), (3820, 5383), (3845, 5348)]