20485702015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{773}}^1\times {\mathrm{4271}}^1$

素因数の和:5139

約数の個数: 32

約数和(自身を含む): 26425771776

約数和(自身を除く): 5940069761

約数列:

[1, 5, 17, 73, 85, 365, 773, 1241, 3865, 4271, 6205, 13141, 21355, 56429, 65705, 72607, 282145, 311783, 363035, 959293, 1558915, 3301483, 4796465, 5300311, 16507415, 26501555, 56125211, 241008259, 280626055, 1205041295, 4097140403, 20485702015]

約数ペア:

[(1, 20485702015), (5, 4097140403), (17, 1205041295), (73, 280626055), (85, 241008259), (365, 56125211), (773, 26501555), (1241, 16507415), (3865, 5300311), (4271, 4796465), (6205, 3301483), (13141, 1558915), (21355, 959293), (56429, 363035), (65705, 311783), (72607, 282145)]