20988050

素因数分解:

$2^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{3923}}^1$

素因数の和:4042

約数の個数: 24

約数和(自身を含む): 39412656

約数和(自身を除く): 18424606

約数列:

[1, 2, 5, 10, 25, 50, 107, 214, 535, 1070, 2675, 3923, 5350, 7846, 19615, 39230, 98075, 196150, 419761, 839522, 2098805, 4197610, 10494025, 20988050]

約数ペア:

[(1, 20988050), (2, 10494025), (5, 4197610), (10, 2098805), (25, 839522), (50, 419761), (107, 196150), (214, 98075), (535, 39230), (1070, 19615), (2675, 7846), (3923, 5350)]