20742764

素因数分解:

$2^2\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1019}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 41583360

約数和(自身を除く): 20840596

約数列:

[1, 2, 4, 7, 14, 28, 727, 1019, 1454, 2038, 2908, 4076, 5089, 7133, 10178, 14266, 20356, 28532, 740813, 1481626, 2963252, 5185691, 10371382, 20742764]

約数ペア:

[(1, 20742764), (2, 10371382), (4, 5185691), (7, 2963252), (14, 1481626), (28, 740813), (727, 28532), (1019, 20356), (1454, 14266), (2038, 10178), (2908, 7133), (4076, 5089)]