20672425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 27426816

約数和(自身を除く): 6754391

約数列:

[1, 5, 17, 25, 85, 127, 383, 425, 635, 1915, 2159, 3175, 6511, 9575, 10795, 32555, 48641, 53975, 162775, 243205, 826897, 1216025, 4134485, 20672425]

約数ペア:

[(1, 20672425), (5, 4134485), (17, 1216025), (25, 826897), (85, 243205), (127, 162775), (383, 53975), (425, 48641), (635, 32555), (1915, 10795), (2159, 9575), (3175, 6511)]