20394328370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1439261}}^1$

素因数の和:1439390

約数の個数: 32

約数和(自身を含む): 39896342640

約数和(自身を除く): 19502014270

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 7085, 14170, 1439261, 2878522, 7196305, 14392610, 18710393, 37420786, 93551965, 156879449, 187103930, 313758898, 784397245, 1568794490, 2039432837, 4078865674, 10197164185, 20394328370]

約数ペア:

[(1, 20394328370), (2, 10197164185), (5, 4078865674), (10, 2039432837), (13, 1568794490), (26, 784397245), (65, 313758898), (109, 187103930), (130, 156879449), (218, 93551965), (545, 37420786), (1090, 18710393), (1417, 14392610), (2834, 7196305), (7085, 2878522), (14170, 1439261)]