20853882

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1283}}^1$

素因数の和:1344

約数の個数: 64

約数和(自身を含む): 54236160

約数和(自身を除く): 33382278

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 1161, 1283, 1806, 2322, 2566, 2709, 3849, 5418, 7698, 8127, 8981, 11547, 16254, 17962, 23094, 26943, 34641, 53886, 55169, 69282, 80829, 110338, 161658, 165507, 242487, 331014, 386183, 484974, 496521, 772366, 993042, 1158549, 1489563, 2317098, 2979126, 3475647, 6951294, 10426941, 20853882]

約数ペア:

[(1, 20853882), (2, 10426941), (3, 6951294), (6, 3475647), (7, 2979126), (9, 2317098), (14, 1489563), (18, 1158549), (21, 993042), (27, 772366), (42, 496521), (43, 484974), (54, 386183), (63, 331014), (86, 242487), (126, 165507), (129, 161658), (189, 110338), (258, 80829), (301, 69282), (378, 55169), (387, 53886), (602, 34641), (774, 26943), (903, 23094), (1161, 17962), (1283, 16254), (1806, 11547), (2322, 8981), (2566, 8127), (2709, 7698), (3849, 5418)]