20157495545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2459731}}^1$

素因数の和:2459896

約数の個数: 16

約数和(自身を含む): 26565105600

約数和(自身を除く): 6407610055

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 2459731, 12298655, 27057041, 135285205, 366499919, 1832499595, 4031499109, 20157495545]

約数ペア:

[(1, 20157495545), (5, 4031499109), (11, 1832499595), (55, 366499919), (149, 135285205), (745, 27057041), (1639, 12298655), (8195, 2459731)]