20783810

素因数分解:

$2^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4339}}^1$

素因数の和:4825

約数の個数: 16

約数和(自身を含む): 37497600

約数和(自身を除く): 16713790

約数列:

[1, 2, 5, 10, 479, 958, 2395, 4339, 4790, 8678, 21695, 43390, 2078381, 4156762, 10391905, 20783810]

約数ペア:

[(1, 20783810), (2, 10391905), (5, 4156762), (10, 2078381), (479, 43390), (958, 21695), (2395, 8678), (4339, 4790)]