20656142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2213}}^1$

素因数の和:2587

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 12819538

約数列:

[1, 2, 13, 26, 359, 718, 2213, 4426, 4667, 9334, 28769, 57538, 794467, 1588934, 10328071, 20656142]

約数ペア:

[(1, 20656142), (2, 10328071), (13, 1588934), (26, 794467), (359, 57538), (718, 28769), (2213, 9334), (4426, 4667)]