20483215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{607}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 26134272

約数和(自身を除く): 5651057

約数列:

[1, 5, 17, 85, 397, 607, 1985, 3035, 6749, 10319, 33745, 51595, 240979, 1204895, 4096643, 20483215]

約数ペア:

[(1, 20483215), (5, 4096643), (17, 1204895), (85, 240979), (397, 51595), (607, 33745), (1985, 10319), (3035, 6749)]