20387784

素因数分解:

$2^3\times 3^1\times {\mathrm{547}}^1\times {\mathrm{1553}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 51095520

約数和(自身を除く): 30707736

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 547, 1094, 1553, 1641, 2188, 3106, 3282, 4376, 4659, 6212, 6564, 9318, 12424, 13128, 18636, 37272, 849491, 1698982, 2548473, 3397964, 5096946, 6795928, 10193892, 20387784]

約数ペア:

[(1, 20387784), (2, 10193892), (3, 6795928), (4, 5096946), (6, 3397964), (8, 2548473), (12, 1698982), (24, 849491), (547, 37272), (1094, 18636), (1553, 13128), (1641, 12424), (2188, 9318), (3106, 6564), (3282, 6212), (4376, 4659)]