20506695

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3359}}^1$

素因数の和:3415

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16265145

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 3359, 6105, 10077, 16795, 36949, 50385, 110847, 124283, 184745, 372849, 554235, 621415, 1367113, 1864245, 4101339, 6835565, 20506695]

約数ペア:

[(1, 20506695), (3, 6835565), (5, 4101339), (11, 1864245), (15, 1367113), (33, 621415), (37, 554235), (55, 372849), (111, 184745), (165, 124283), (185, 110847), (407, 50385), (555, 36949), (1221, 16795), (2035, 10077), (3359, 6105)]