20563788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 58060800

約数和(自身を除く): 37497012

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 53, 62, 84, 93, 106, 124, 149, 159, 186, 212, 217, 298, 318, 371, 372, 434, 447, 596, 636, 651, 742, 868, 894, 1043, 1113, 1302, 1484, 1643, 1788, 2086, 2226, 2604, 3129, 3286, 4172, 4452, 4619, 4929, 6258, 6572, 7897, 9238, 9858, 11501, 12516, 13857, 15794, 18476, 19716, 23002, 23691, 27714, 31588, 32333, 34503, 46004, 47382, 55279, 55428, 64666, 69006, 94764, 96999, 110558, 129332, 138012, 165837, 193998, 221116, 244807, 331674, 387996, 489614, 663348, 734421, 979228, 1468842, 1713649, 2937684, 3427298, 5140947, 6854596, 10281894, 20563788]

約数ペア:

[(1, 20563788), (2, 10281894), (3, 6854596), (4, 5140947), (6, 3427298), (7, 2937684), (12, 1713649), (14, 1468842), (21, 979228), (28, 734421), (31, 663348), (42, 489614), (53, 387996), (62, 331674), (84, 244807), (93, 221116), (106, 193998), (124, 165837), (149, 138012), (159, 129332), (186, 110558), (212, 96999), (217, 94764), (298, 69006), (318, 64666), (371, 55428), (372, 55279), (434, 47382), (447, 46004), (596, 34503), (636, 32333), (651, 31588), (742, 27714), (868, 23691), (894, 23002), (1043, 19716), (1113, 18476), (1302, 15794), (1484, 13857), (1643, 12516), (1788, 11501), (2086, 9858), (2226, 9238), (2604, 7897), (3129, 6572), (3286, 6258), (4172, 4929), (4452, 4619)]