20865846

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 21712074

約数列:

[1, 2, 3, 6, 127, 139, 197, 254, 278, 381, 394, 417, 591, 762, 834, 1182, 17653, 25019, 27383, 35306, 50038, 52959, 54766, 75057, 82149, 105918, 150114, 164298, 3477641, 6955282, 10432923, 20865846]

約数ペア:

[(1, 20865846), (2, 10432923), (3, 6955282), (6, 3477641), (127, 164298), (139, 150114), (197, 105918), (254, 82149), (278, 75057), (381, 54766), (394, 52959), (417, 50038), (591, 35306), (762, 27383), (834, 25019), (1182, 17653)]