20576955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{195971}}^1$

素因数の和:195986

約数の個数: 16

約数和(自身を含む): 37626624

約数和(自身を除く): 17049669

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 195971, 587913, 979855, 1371797, 2939565, 4115391, 6858985, 20576955]

約数ペア:

[(1, 20576955), (3, 6858985), (5, 4115391), (7, 2939565), (15, 1371797), (21, 979855), (35, 587913), (105, 195971)]