20646028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13691}}^1$

素因数の和:13737

約数の個数: 24

約数和(自身を含む): 40254480

約数和(自身を除く): 19608452

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13691, 27382, 54764, 177983, 355966, 397039, 711932, 794078, 1588156, 5161507, 10323014, 20646028]

約数ペア:

[(1, 20646028), (2, 10323014), (4, 5161507), (13, 1588156), (26, 794078), (29, 711932), (52, 397039), (58, 355966), (116, 177983), (377, 54764), (754, 27382), (1508, 13691)]