20549235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 40108032

約数和(自身を除く): 19558797

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 67, 69, 105, 115, 127, 161, 201, 335, 345, 381, 469, 483, 635, 805, 889, 1005, 1407, 1541, 1905, 2345, 2415, 2667, 2921, 4445, 4623, 7035, 7705, 8509, 8763, 10787, 13335, 14605, 20447, 23115, 25527, 32361, 42545, 43815, 53935, 59563, 61341, 102235, 127635, 161805, 178689, 195707, 297815, 306705, 587121, 893445, 978535, 1369949, 2935605, 4109847, 6849745, 20549235]

約数ペア:

[(1, 20549235), (3, 6849745), (5, 4109847), (7, 2935605), (15, 1369949), (21, 978535), (23, 893445), (35, 587121), (67, 306705), (69, 297815), (105, 195707), (115, 178689), (127, 161805), (161, 127635), (201, 102235), (335, 61341), (345, 59563), (381, 53935), (469, 43815), (483, 42545), (635, 32361), (805, 25527), (889, 23115), (1005, 20447), (1407, 14605), (1541, 13335), (1905, 10787), (2345, 8763), (2415, 8509), (2667, 7705), (2921, 7035), (4445, 4623)]