20805938

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{1021}}^1$

素因数の和:1489

約数の個数: 16

約数和(自身を含む): 32671296

約数和(自身を除く): 11865358

約数列:

[1, 2, 23, 46, 443, 886, 1021, 2042, 10189, 20378, 23483, 46966, 452303, 904606, 10402969, 20805938]

約数ペア:

[(1, 20805938), (2, 10402969), (23, 904606), (46, 452303), (443, 46966), (886, 23483), (1021, 20378), (2042, 10189)]