20440364

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1499}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 40992000

約数和(自身を除く): 20551636

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1499, 1948, 2998, 3409, 5996, 6818, 10493, 13636, 20986, 41972, 730013, 1460026, 2920052, 5110091, 10220182, 20440364]

約数ペア:

[(1, 20440364), (2, 10220182), (4, 5110091), (7, 2920052), (14, 1460026), (28, 730013), (487, 41972), (974, 20986), (1499, 13636), (1948, 10493), (2998, 6818), (3409, 5996)]