20159860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143999}}^1$

素因数の和:144015

約数の個数: 24

約数和(自身を含む): 48384000

約数和(自身を除く): 28224140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143999, 287998, 575996, 719995, 1007993, 1439990, 2015986, 2879980, 4031972, 5039965, 10079930, 20159860]

約数ペア:

[(1, 20159860), (2, 10079930), (4, 5039965), (5, 4031972), (7, 2879980), (10, 2015986), (14, 1439990), (20, 1007993), (28, 719995), (35, 575996), (70, 287998), (140, 143999)]