20419545

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43913}}^1$

素因数の和:43952

約数の個数: 16

約数和(自身を含む): 33725952

約数和(自身を除く): 13306407

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 43913, 131739, 219565, 658695, 1361303, 4083909, 6806515, 20419545]

約数ペア:

[(1, 20419545), (3, 6806515), (5, 4083909), (15, 1361303), (31, 658695), (93, 219565), (155, 131739), (465, 43913)]