20856715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{277}}^1$

素因数の和:367

約数の個数: 24

約数和(自身を含む): 28162512

約数和(自身を除く): 7305797

約数列:

[1, 5, 11, 37, 55, 185, 277, 407, 1369, 1385, 2035, 3047, 6845, 10249, 15059, 15235, 51245, 75295, 112739, 379213, 563695, 1896065, 4171343, 20856715]

約数ペア:

[(1, 20856715), (5, 4171343), (11, 1896065), (37, 563695), (55, 379213), (185, 112739), (277, 75295), (407, 51245), (1369, 15235), (1385, 15059), (2035, 10249), (3047, 6845)]