20347878005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{264619}}^1$

素因数の和:264670

約数の個数: 32

約数和(自身を含む): 30230188800

約数和(自身を除く): 9882310795

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 2197, 5915, 10985, 15379, 76895, 264619, 1323095, 1852333, 3440047, 9261665, 17200235, 24080329, 44720611, 120401645, 223603055, 313044277, 581367943, 1565221385, 2906839715, 4069575601, 20347878005]

約数ペア:

[(1, 20347878005), (5, 4069575601), (7, 2906839715), (13, 1565221385), (35, 581367943), (65, 313044277), (91, 223603055), (169, 120401645), (455, 44720611), (845, 24080329), (1183, 17200235), (2197, 9261665), (5915, 3440047), (10985, 1852333), (15379, 1323095), (76895, 264619)]