20494384

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75347}}^1$

素因数の和:75372

約数の個数: 20

約数和(自身を含む): 42044184

約数和(自身を除く): 21549800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75347, 150694, 301388, 602776, 1205552, 1280899, 2561798, 5123596, 10247192, 20494384]

約数ペア:

[(1, 20494384), (2, 10247192), (4, 5123596), (8, 2561798), (16, 1280899), (17, 1205552), (34, 602776), (68, 301388), (136, 150694), (272, 75347)]