20178487764

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{2816651}}^1$

素因数の和:2816860

約数の個数: 36

約数和(自身を含む): 51263066400

約数和(自身を除く): 31084578636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 3582, 7164, 2816651, 5633302, 8449953, 11266604, 16899906, 25349859, 33799812, 50699718, 101399436, 560513549, 1121027098, 1681540647, 2242054196, 3363081294, 5044621941, 6726162588, 10089243882, 20178487764]

約数ペア:

[(1, 20178487764), (2, 10089243882), (3, 6726162588), (4, 5044621941), (6, 3363081294), (9, 2242054196), (12, 1681540647), (18, 1121027098), (36, 560513549), (199, 101399436), (398, 50699718), (597, 33799812), (796, 25349859), (1194, 16899906), (1791, 11266604), (2388, 8449953), (3582, 5633302), (7164, 2816651)]