20425330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{877}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 39257136

約数和(自身を除く): 18831806

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 877, 1370, 1754, 2329, 4385, 4658, 8770, 11645, 14909, 23290, 29818, 74545, 120149, 149090, 240298, 600745, 1201490, 2042533, 4085066, 10212665, 20425330]

約数ペア:

[(1, 20425330), (2, 10212665), (5, 4085066), (10, 2042533), (17, 1201490), (34, 600745), (85, 240298), (137, 149090), (170, 120149), (274, 74545), (685, 29818), (877, 23290), (1370, 14909), (1754, 11645), (2329, 8770), (4385, 4658)]