20408026

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1425

約数の個数: 16

約数和(自身を含む): 31331304

約数和(自身を除く): 10923278

約数列:

[1, 2, 73, 113, 146, 226, 1237, 2474, 8249, 16498, 90301, 139781, 180602, 279562, 10204013, 20408026]

約数ペア:

[(1, 20408026), (2, 10204013), (73, 279562), (113, 180602), (146, 139781), (226, 90301), (1237, 16498), (2474, 8249)]