20750085

素因数分解:

$3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1009}}^1$

素因数の和:1477

約数の個数: 24

約数和(自身を含む): 36081240

約数和(自身を除く): 15331155

約数列:

[1, 3, 5, 9, 15, 45, 457, 1009, 1371, 2285, 3027, 4113, 5045, 6855, 9081, 15135, 20565, 45405, 461113, 1383339, 2305565, 4150017, 6916695, 20750085]

約数ペア:

[(1, 20750085), (3, 6916695), (5, 4150017), (9, 2305565), (15, 1383339), (45, 461113), (457, 45405), (1009, 20565), (1371, 15135), (2285, 9081), (3027, 6855), (4113, 5045)]