20488810

素因数分解:

$2^1\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1777}}^1$

素因数の和:2937

約数の個数: 16

約数和(自身を含む): 36932616

約数和(自身を除く): 16443806

約数列:

[1, 2, 5, 10, 1153, 1777, 2306, 3554, 5765, 8885, 11530, 17770, 2048881, 4097762, 10244405, 20488810]

約数ペア:

[(1, 20488810), (2, 10244405), (5, 4097762), (10, 2048881), (1153, 17770), (1777, 11530), (2306, 8885), (3554, 5765)]