20040178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{911}}^1$

素因数の和:1577

約数の個数: 16

約数和(自身を含む): 31912704

約数和(自身を除く): 11872526

約数列:

[1, 2, 17, 34, 647, 911, 1294, 1822, 10999, 15487, 21998, 30974, 589417, 1178834, 10020089, 20040178]

約数ペア:

[(1, 20040178), (2, 10020089), (17, 1178834), (34, 589417), (647, 30974), (911, 21998), (1294, 15487), (1822, 10999)]