20867738

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{32303}}^1$

素因数の和:32341

約数の個数: 16

約数和(自身を含む): 34888320

約数和(自身を除く): 14020582

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 32303, 64606, 549151, 613757, 1098302, 1227514, 10433869, 20867738]

約数ペア:

[(1, 20867738), (2, 10433869), (17, 1227514), (19, 1098302), (34, 613757), (38, 549151), (323, 64606), (646, 32303)]