20333908

素因数分解:

$2^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1811}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 40791744

約数和(自身を除く): 20457836

約数列:

[1, 2, 4, 7, 14, 28, 401, 802, 1604, 1811, 2807, 3622, 5614, 7244, 11228, 12677, 25354, 50708, 726211, 1452422, 2904844, 5083477, 10166954, 20333908]

約数ペア:

[(1, 20333908), (2, 10166954), (4, 5083477), (7, 2904844), (14, 1452422), (28, 726211), (401, 50708), (802, 25354), (1604, 12677), (1811, 11228), (2807, 7244), (3622, 5614)]