20047565

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5147}}^1$

素因数の和:5212

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 5898355

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 5147, 25735, 97793, 211027, 488965, 1055135, 4009513, 20047565]

約数ペア:

[(1, 20047565), (5, 4009513), (19, 1055135), (41, 488965), (95, 211027), (205, 97793), (779, 25735), (3895, 5147)]