20803112065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{20929}}^1\times {\mathrm{10463}}^1$

素因数の和:31416

約数の個数: 16

約数和(自身を含む): 26281382400

約数和(自身を除く): 5478270335

約数列:

[1, 5, 19, 95, 10463, 20929, 52315, 104645, 198797, 397651, 993985, 1988255, 218980127, 1094900635, 4160622413, 20803112065]

約数ペア:

[(1, 20803112065), (5, 4160622413), (19, 1094900635), (95, 218980127), (10463, 1988255), (20929, 993985), (52315, 397651), (104645, 198797)]