20478018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310273}}^1$

素因数の和:310289

約数の個数: 16

約数和(自身を含む): 44679456

約数和(自身を除く): 24201438

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310273, 620546, 930819, 1861638, 3413003, 6826006, 10239009, 20478018]

約数ペア:

[(1, 20478018), (2, 10239009), (3, 6826006), (6, 3413003), (11, 1861638), (22, 930819), (33, 620546), (66, 310273)]