20353894

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:732

約数の個数: 24

約数和(自身を含む): 33841584

約数和(自身を除く): 13487690

約数列:

[1, 2, 11, 22, 121, 151, 242, 302, 557, 1114, 1661, 3322, 6127, 12254, 18271, 36542, 67397, 84107, 134794, 168214, 925177, 1850354, 10176947, 20353894]

約数ペア:

[(1, 20353894), (2, 10176947), (11, 1850354), (22, 925177), (121, 168214), (151, 134794), (242, 84107), (302, 67397), (557, 36542), (1114, 18271), (1661, 12254), (3322, 6127)]