20445728

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{8999}}^1$

素因数の和:9080

約数の個数: 24

約数和(自身を含む): 40824000

約数和(自身を除く): 20378272

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 8999, 17998, 35996, 71992, 143984, 287968, 638929, 1277858, 2555716, 5111432, 10222864, 20445728]

約数ペア:

[(1, 20445728), (2, 10222864), (4, 5111432), (8, 2555716), (16, 1277858), (32, 638929), (71, 287968), (142, 143984), (284, 71992), (568, 35996), (1136, 17998), (2272, 8999)]