20199705565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{1423}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 26680451328

約数和(自身を除く): 6480745763

約数列:

[1, 5, 13, 65, 107, 157, 169, 535, 785, 845, 1391, 1423, 2041, 6955, 7115, 10205, 16799, 18083, 18499, 26533, 83995, 90415, 92495, 132665, 152261, 218387, 223411, 240487, 761305, 1091935, 1117055, 1202435, 1979393, 2839031, 2904343, 9896965, 14195155, 14521715, 23904977, 25732109, 37756459, 119524885, 128660545, 188782295, 310764701, 1553823505, 4039941113, 20199705565]

約数ペア:

[(1, 20199705565), (5, 4039941113), (13, 1553823505), (65, 310764701), (107, 188782295), (157, 128660545), (169, 119524885), (535, 37756459), (785, 25732109), (845, 23904977), (1391, 14521715), (1423, 14195155), (2041, 9896965), (6955, 2904343), (7115, 2839031), (10205, 1979393), (16799, 1202435), (18083, 1117055), (18499, 1091935), (26533, 761305), (83995, 240487), (90415, 223411), (92495, 218387), (132665, 152261)]