20873860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149099}}^1$

素因数の和:149115

約数の個数: 24

約数和(自身を含む): 50097600

約数和(自身を除く): 29223740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149099, 298198, 596396, 745495, 1043693, 1490990, 2087386, 2981980, 4174772, 5218465, 10436930, 20873860]

約数ペア:

[(1, 20873860), (2, 10436930), (4, 5218465), (5, 4174772), (7, 2981980), (10, 2087386), (14, 1490990), (20, 1043693), (28, 745495), (35, 596396), (70, 298198), (140, 149099)]