20542222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{1187}}^1$

素因数の和:1715

約数の個数: 16

約数和(自身を含む): 32717520

約数和(自身を除く): 12175298

約数列:

[1, 2, 17, 34, 509, 1018, 1187, 2374, 8653, 17306, 20179, 40358, 604183, 1208366, 10271111, 20542222]

約数ペア:

[(1, 20542222), (2, 10271111), (17, 1208366), (34, 604183), (509, 40358), (1018, 20179), (1187, 17306), (2374, 8653)]