20348884

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 36445248

約数和(自身を除く): 16096364

約数列:

[1, 2, 4, 71, 137, 142, 274, 284, 523, 548, 1046, 2092, 9727, 19454, 37133, 38908, 71651, 74266, 143302, 148532, 286604, 5087221, 10174442, 20348884]

約数ペア:

[(1, 20348884), (2, 10174442), (4, 5087221), (71, 286604), (137, 148532), (142, 143302), (274, 74266), (284, 71651), (523, 38908), (548, 37133), (1046, 19454), (2092, 9727)]