20178848660

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{5227681}}^1$

素因数の和:5227883

約数の個数: 24

約数和(自身を含む): 42595152936

約数和(自身を除く): 22416304276

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 5227681, 10455362, 20910724, 26138405, 52276810, 104553620, 1008942433, 2017884866, 4035769732, 5044712165, 10089424330, 20178848660]

約数ペア:

[(1, 20178848660), (2, 10089424330), (4, 5044712165), (5, 4035769732), (10, 2017884866), (20, 1008942433), (193, 104553620), (386, 52276810), (772, 26138405), (965, 20910724), (1930, 10455362), (3860, 5227681)]