20856484

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{27883}}^1$

素因数の和:27915

約数の個数: 24

約数和(自身を含む): 42160608

約数和(自身を除く): 21304124

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 27883, 55766, 111532, 306713, 474011, 613426, 948022, 1226852, 1896044, 5214121, 10428242, 20856484]

約数ペア:

[(1, 20856484), (2, 10428242), (4, 5214121), (11, 1896044), (17, 1226852), (22, 948022), (34, 613426), (44, 474011), (68, 306713), (187, 111532), (374, 55766), (748, 27883)]