20706049

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{761}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 26773632

約数和(自身を除く): 6067583

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 761, 1183, 2093, 3887, 5327, 9893, 17503, 27209, 69251, 122521, 128609, 227539, 900263, 1592773, 2958007, 20706049]

約数ペア:

[(1, 20706049), (7, 2958007), (13, 1592773), (23, 900263), (91, 227539), (161, 128609), (169, 122521), (299, 69251), (761, 27209), (1183, 17503), (2093, 9893), (3887, 5327)]