20932155

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3299}}^1$

素因数の和:3360

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 17083845

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 235, 423, 705, 1269, 2115, 3299, 6345, 9897, 16495, 29691, 49485, 89073, 148455, 155053, 445365, 465159, 775265, 1395477, 2325795, 4186431, 6977385, 20932155]

約数ペア:

[(1, 20932155), (3, 6977385), (5, 4186431), (9, 2325795), (15, 1395477), (27, 775265), (45, 465159), (47, 445365), (135, 155053), (141, 148455), (235, 89073), (423, 49485), (705, 29691), (1269, 16495), (2115, 9897), (3299, 6345)]