20199361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3400

約数の個数: 16

約数和(自身を含む): 25239424

約数和(自身を除く): 5040063

約数列:

[1, 7, 13, 67, 91, 469, 871, 3313, 6097, 23191, 43069, 221971, 301483, 1553797, 2885623, 20199361]

約数ペア:

[(1, 20199361), (7, 2885623), (13, 1553797), (67, 301483), (91, 221971), (469, 43069), (871, 23191), (3313, 6097)]