20020407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 31186944

約数和(自身を除く): 11166537

約数列:

[1, 3, 11, 17, 33, 51, 127, 187, 281, 381, 561, 843, 1397, 2159, 3091, 4191, 4777, 6477, 9273, 14331, 23749, 35687, 52547, 71247, 107061, 157641, 392557, 606679, 1177671, 1820037, 6673469, 20020407]

約数ペア:

[(1, 20020407), (3, 6673469), (11, 1820037), (17, 1177671), (33, 606679), (51, 392557), (127, 157641), (187, 107061), (281, 71247), (381, 52547), (561, 35687), (843, 23749), (1397, 14331), (2159, 9273), (3091, 6477), (4191, 4777)]