20126054515

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3361}}^1\times {\mathrm{5519}}^1$

素因数の和:8923

約数の個数: 32

約数和(自身を含む): 28505456640

約数和(自身を除く): 8379402125

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 3361, 5519, 16805, 23527, 27595, 38633, 104191, 117635, 171089, 193165, 520955, 729337, 855445, 1197623, 3646685, 5988115, 18549359, 92746795, 129845513, 575030129, 649227565, 2875150645, 4025210903, 20126054515]

約数ペア:

[(1, 20126054515), (5, 4025210903), (7, 2875150645), (31, 649227565), (35, 575030129), (155, 129845513), (217, 92746795), (1085, 18549359), (3361, 5988115), (5519, 3646685), (16805, 1197623), (23527, 855445), (27595, 729337), (38633, 520955), (104191, 193165), (117635, 171089)]