20582605

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 27878400

約数和(自身を除く): 7295795

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 241, 551, 589, 899, 1205, 2755, 2945, 4495, 4579, 6989, 7471, 17081, 22895, 34945, 37355, 85405, 132791, 141949, 216659, 663955, 709745, 1083295, 4116521, 20582605]

約数ペア:

[(1, 20582605), (5, 4116521), (19, 1083295), (29, 709745), (31, 663955), (95, 216659), (145, 141949), (155, 132791), (241, 85405), (551, 37355), (589, 34945), (899, 22895), (1205, 17081), (2755, 7471), (2945, 6989), (4495, 4579)]