20946580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5851}}^1$

素因数の和:6039

約数の個数: 24

約数和(自身を含む): 44241120

約数和(自身を除く): 23294540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5851, 11702, 23404, 29255, 58510, 117020, 1047329, 2094658, 4189316, 5236645, 10473290, 20946580]

約数ペア:

[(1, 20946580), (2, 10473290), (4, 5236645), (5, 4189316), (10, 2094658), (20, 1047329), (179, 117020), (358, 58510), (716, 29255), (895, 23404), (1790, 11702), (3580, 5851)]