19995703

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7577}}^1$

素因数の和:7626

約数の個数: 16

約数和(自身を含む): 25462080

約数和(自身を除く): 5466377

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 7577, 53039, 98501, 219733, 689507, 1538131, 2856529, 19995703]

約数ペア:

[(1, 19995703), (7, 2856529), (13, 1538131), (29, 689507), (91, 219733), (203, 98501), (377, 53039), (2639, 7577)]