20550495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10301}}^1$

素因数の和:10335

約数の個数: 32

約数和(自身を含む): 39559680

約数和(自身を除く): 19009185

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10301, 30903, 51505, 72107, 154515, 195719, 216321, 360535, 587157, 978595, 1081605, 1370033, 2935785, 4110099, 6850165, 20550495]

約数ペア:

[(1, 20550495), (3, 6850165), (5, 4110099), (7, 2935785), (15, 1370033), (19, 1081605), (21, 978595), (35, 587157), (57, 360535), (95, 216321), (105, 195719), (133, 154515), (285, 72107), (399, 51505), (665, 30903), (1995, 10301)]