820339964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{169913}}^1$

素因数の和:170005

約数の個数: 24

約数和(自身を含む): 1541459808

約数和(自身を除く): 721119844

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 169913, 339826, 679652, 2888521, 5777042, 11554084, 12063823, 24127646, 48255292, 205084991, 410169982, 820339964]

約数ペア:

[(1, 820339964), (2, 410169982), (4, 205084991), (17, 48255292), (34, 24127646), (68, 12063823), (71, 11554084), (142, 5777042), (284, 2888521), (1207, 679652), (2414, 339826), (4828, 169913)]