20209735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44417}}^1$

素因数の和:44442

約数の個数: 16

約数和(自身を含む): 29848896

約数和(自身を除く): 9639161

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 44417, 222085, 310919, 577421, 1554595, 2887105, 4041947, 20209735]

約数ペア:

[(1, 20209735), (5, 4041947), (7, 2887105), (13, 1554595), (35, 577421), (65, 310919), (91, 222085), (455, 44417)]