20495438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{26209}}^1$

素因数の和:26251

約数の個数: 16

約数和(自身を含む): 33968160

約数和(自身を除く): 13472722

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 26209, 52418, 445553, 602807, 891106, 1205614, 10247719, 20495438]

約数ペア:

[(1, 20495438), (2, 10247719), (17, 1205614), (23, 891106), (34, 602807), (46, 445553), (391, 52418), (782, 26209)]