20175895715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1213}}^1\times {\mathrm{2477}}^1$

素因数の和:3791

約数の個数: 32

約数和(自身を含む): 25991642880

約数和(自身を除く): 5815747165

約数列:

[1, 5, 17, 79, 85, 395, 1213, 1343, 2477, 6065, 6715, 12385, 20621, 42109, 95827, 103105, 195683, 210545, 479135, 978415, 1629059, 3004601, 3326611, 8145295, 15023005, 16633055, 51078217, 237363479, 255391085, 1186817395, 4035179143, 20175895715]

約数ペア:

[(1, 20175895715), (5, 4035179143), (17, 1186817395), (79, 255391085), (85, 237363479), (395, 51078217), (1213, 16633055), (1343, 15023005), (2477, 8145295), (6065, 3326611), (6715, 3004601), (12385, 1629059), (20621, 978415), (42109, 479135), (95827, 210545), (103105, 195683)]