20542819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 23748480

約数和(自身を除く): 3205661

約数列:

[1, 11, 19, 209, 227, 433, 2497, 4313, 4763, 8227, 47443, 90497, 98291, 1081201, 1867529, 20542819]

約数ペア:

[(1, 20542819), (11, 1867529), (19, 1081201), (209, 98291), (227, 90497), (433, 47443), (2497, 8227), (4313, 4763)]