20364370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3643}}^1$

素因数の和:3706

約数の個数: 32

約数和(自身を含む): 40404672

約数和(自身を除く): 20040302

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3643, 5590, 7286, 18215, 36430, 47359, 94718, 156649, 236795, 313298, 473590, 783245, 1566490, 2036437, 4072874, 10182185, 20364370]

約数ペア:

[(1, 20364370), (2, 10182185), (5, 4072874), (10, 2036437), (13, 1566490), (26, 783245), (43, 473590), (65, 313298), (86, 236795), (130, 156649), (215, 94718), (430, 47359), (559, 36430), (1118, 18215), (2795, 7286), (3643, 5590)]