20185998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7879}}^1$

素因数の和:7952

約数の個数: 32

約数和(自身を含む): 46901760

約数和(自身を除く): 26715762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7879, 15758, 23637, 47274, 55153, 110306, 165459, 330918, 480619, 961238, 1441857, 2883714, 3364333, 6728666, 10092999, 20185998]

約数ペア:

[(1, 20185998), (2, 10092999), (3, 6728666), (6, 3364333), (7, 2883714), (14, 1441857), (21, 961238), (42, 480619), (61, 330918), (122, 165459), (183, 110306), (366, 55153), (427, 47274), (854, 23637), (1281, 15758), (2562, 7879)]