20558265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15061}}^1$

素因数の和:15089

約数の個数: 32

約数和(自身を含む): 40486656

約数和(自身を除く): 19928391

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15061, 45183, 75305, 105427, 195793, 225915, 316281, 527135, 587379, 978965, 1370551, 1581405, 2936895, 4111653, 6852755, 20558265]

約数ペア:

[(1, 20558265), (3, 6852755), (5, 4111653), (7, 2936895), (13, 1581405), (15, 1370551), (21, 978965), (35, 587379), (39, 527135), (65, 316281), (91, 225915), (105, 195793), (195, 105427), (273, 75305), (455, 45183), (1365, 15061)]