20503896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 61009920

約数和(自身を除く): 40506024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 127, 168, 186, 217, 248, 254, 372, 381, 434, 508, 651, 744, 762, 868, 889, 961, 1016, 1302, 1524, 1736, 1778, 1922, 2604, 2667, 2883, 3048, 3556, 3844, 3937, 5208, 5334, 5766, 6727, 7112, 7688, 7874, 10668, 11532, 11811, 13454, 15748, 20181, 21336, 23064, 23622, 26908, 27559, 31496, 40362, 47244, 53816, 55118, 80724, 82677, 94488, 110236, 122047, 161448, 165354, 220472, 244094, 330708, 366141, 488188, 661416, 732282, 854329, 976376, 1464564, 1708658, 2562987, 2929128, 3417316, 5125974, 6834632, 10251948, 20503896]

約数ペア:

[(1, 20503896), (2, 10251948), (3, 6834632), (4, 5125974), (6, 3417316), (7, 2929128), (8, 2562987), (12, 1708658), (14, 1464564), (21, 976376), (24, 854329), (28, 732282), (31, 661416), (42, 488188), (56, 366141), (62, 330708), (84, 244094), (93, 220472), (124, 165354), (127, 161448), (168, 122047), (186, 110236), (217, 94488), (248, 82677), (254, 80724), (372, 55118), (381, 53816), (434, 47244), (508, 40362), (651, 31496), (744, 27559), (762, 26908), (868, 23622), (889, 23064), (961, 21336), (1016, 20181), (1302, 15748), (1524, 13454), (1736, 11811), (1778, 11532), (1922, 10668), (2604, 7874), (2667, 7688), (2883, 7112), (3048, 6727), (3556, 5766), (3844, 5334), (3937, 5208)]