20471388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243707}}^1$

素因数の和:243721

約数の個数: 24

約数和(自身を含む): 54590592

約数和(自身を除く): 34119204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243707, 487414, 731121, 974828, 1462242, 1705949, 2924484, 3411898, 5117847, 6823796, 10235694, 20471388]

約数ペア:

[(1, 20471388), (2, 10235694), (3, 6823796), (4, 5117847), (6, 3411898), (7, 2924484), (12, 1705949), (14, 1462242), (21, 974828), (28, 731121), (42, 487414), (84, 243707)]