20462884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{393517}}^1$

素因数の和:393534

約数の個数: 12

約数和(自身を含む): 38564764

約数和(自身を除く): 18101880

約数列:

[1, 2, 4, 13, 26, 52, 393517, 787034, 1574068, 5115721, 10231442, 20462884]

約数ペア:

[(1, 20462884), (2, 10231442), (4, 5115721), (13, 1574068), (26, 787034), (52, 393517)]