20740804565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2982143}}^1$

素因数の和:2982268

約数の個数: 16

約数和(自身を含む): 27054010368

約数和(自身を除く): 6313205803

約数列:

[1, 5, 13, 65, 107, 535, 1391, 6955, 2982143, 14910715, 38767859, 193839295, 319089301, 1595446505, 4148160913, 20740804565]

約数ペア:

[(1, 20740804565), (5, 4148160913), (13, 1595446505), (65, 319089301), (107, 193839295), (535, 38767859), (1391, 14910715), (6955, 2982143)]