20530576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{743}}^1$

素因数の和:919

約数の個数: 40

約数和(自身を含む): 43729344

約数和(自身を除く): 23198768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 743, 1256, 1486, 1727, 2512, 2972, 3454, 5944, 6908, 8173, 11888, 13816, 16346, 27632, 32692, 65384, 116651, 130768, 233302, 466604, 933208, 1283161, 1866416, 2566322, 5132644, 10265288, 20530576]

約数ペア:

[(1, 20530576), (2, 10265288), (4, 5132644), (8, 2566322), (11, 1866416), (16, 1283161), (22, 933208), (44, 466604), (88, 233302), (157, 130768), (176, 116651), (314, 65384), (628, 32692), (743, 27632), (1256, 16346), (1486, 13816), (1727, 11888), (2512, 8173), (2972, 6908), (3454, 5944)]