20803796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3739}}^1$

素因数の和:3863

約数の個数: 24

約数和(自身を含む): 39584160

約数和(自身を除く): 18780364

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3739, 5564, 7478, 14956, 48607, 97214, 194428, 400073, 800146, 1600292, 5200949, 10401898, 20803796]

約数ペア:

[(1, 20803796), (2, 10401898), (4, 5200949), (13, 1600292), (26, 800146), (52, 400073), (107, 194428), (214, 97214), (428, 48607), (1391, 14956), (2782, 7478), (3739, 5564)]