20763846

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{557}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 47876400

約数和(自身を除く): 27112554

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 109, 114, 171, 218, 327, 342, 557, 654, 981, 1114, 1671, 1962, 2071, 3342, 4142, 5013, 6213, 10026, 10583, 12426, 18639, 21166, 31749, 37278, 60713, 63498, 95247, 121426, 182139, 190494, 364278, 546417, 1092834, 1153547, 2307094, 3460641, 6921282, 10381923, 20763846]

約数ペア:

[(1, 20763846), (2, 10381923), (3, 6921282), (6, 3460641), (9, 2307094), (18, 1153547), (19, 1092834), (38, 546417), (57, 364278), (109, 190494), (114, 182139), (171, 121426), (218, 95247), (327, 63498), (342, 60713), (557, 37278), (654, 31749), (981, 21166), (1114, 18639), (1671, 12426), (1962, 10583), (2071, 10026), (3342, 6213), (4142, 5013)]