20161115874

素因数分解:

$2^1\times 3^2\times {\mathrm{881}}^1\times {\mathrm{1271353}}^1$

素因数の和:1272242

約数の個数: 24

約数和(自身を含む): 43732034892

約数和(自身を除く): 23570919018

約数列:

[1, 2, 3, 6, 9, 18, 881, 1762, 2643, 5286, 7929, 15858, 1271353, 2542706, 3814059, 7628118, 11442177, 22884354, 1120061993, 2240123986, 3360185979, 6720371958, 10080557937, 20161115874]

約数ペア:

[(1, 20161115874), (2, 10080557937), (3, 6720371958), (6, 3360185979), (9, 2240123986), (18, 1120061993), (881, 22884354), (1762, 11442177), (2643, 7628118), (5286, 3814059), (7929, 2542706), (15858, 1271353)]