20767798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1973}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 32926320

約数和(自身を除く): 12158522

約数列:

[1, 2, 19, 38, 277, 554, 1973, 3946, 5263, 10526, 37487, 74974, 546521, 1093042, 10383899, 20767798]

約数ペア:

[(1, 20767798), (2, 10383899), (19, 1093042), (38, 546521), (277, 74974), (554, 37487), (1973, 10526), (3946, 5263)]