20437978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54647}}^1$

素因数の和:54677

約数の個数: 16

約数和(自身を含む): 35411904

約数和(自身を除く): 14973926

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54647, 109294, 601117, 928999, 1202234, 1857998, 10218989, 20437978]

約数ペア:

[(1, 20437978), (2, 10218989), (11, 1857998), (17, 1202234), (22, 928999), (34, 601117), (187, 109294), (374, 54647)]