20367984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4663}}^1$

素因数の和:4694

約数の個数: 80

約数和(自身を含む): 64773632

約数和(自身を除く): 44405648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 546, 624, 728, 1092, 1456, 2184, 4368, 4663, 9326, 13989, 18652, 27978, 32641, 37304, 55956, 60619, 65282, 74608, 97923, 111912, 121238, 130564, 181857, 195846, 223824, 242476, 261128, 363714, 391692, 424333, 484952, 522256, 727428, 783384, 848666, 969904, 1272999, 1454856, 1566768, 1697332, 2545998, 2909712, 3394664, 5091996, 6789328, 10183992, 20367984]

約数ペア:

[(1, 20367984), (2, 10183992), (3, 6789328), (4, 5091996), (6, 3394664), (7, 2909712), (8, 2545998), (12, 1697332), (13, 1566768), (14, 1454856), (16, 1272999), (21, 969904), (24, 848666), (26, 783384), (28, 727428), (39, 522256), (42, 484952), (48, 424333), (52, 391692), (56, 363714), (78, 261128), (84, 242476), (91, 223824), (104, 195846), (112, 181857), (156, 130564), (168, 121238), (182, 111912), (208, 97923), (273, 74608), (312, 65282), (336, 60619), (364, 55956), (546, 37304), (624, 32641), (728, 27978), (1092, 18652), (1456, 13989), (2184, 9326), (4368, 4663)]