20227438

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 41287680

約数和(自身を除く): 21060242

約数列:

[1, 2, 7, 11, 14, 19, 22, 31, 38, 62, 77, 133, 154, 209, 217, 223, 266, 341, 418, 434, 446, 589, 682, 1178, 1463, 1561, 2387, 2453, 2926, 3122, 4123, 4237, 4774, 4906, 6479, 6913, 8246, 8474, 12958, 13826, 17171, 29659, 34342, 45353, 46607, 48391, 59318, 76043, 90706, 93214, 96782, 131347, 152086, 262694, 326249, 532301, 652498, 919429, 1064602, 1444817, 1838858, 2889634, 10113719, 20227438]

約数ペア:

[(1, 20227438), (2, 10113719), (7, 2889634), (11, 1838858), (14, 1444817), (19, 1064602), (22, 919429), (31, 652498), (38, 532301), (62, 326249), (77, 262694), (133, 152086), (154, 131347), (209, 96782), (217, 93214), (223, 90706), (266, 76043), (341, 59318), (418, 48391), (434, 46607), (446, 45353), (589, 34342), (682, 29659), (1178, 17171), (1463, 13826), (1561, 12958), (2387, 8474), (2453, 8246), (2926, 6913), (3122, 6479), (4123, 4906), (4237, 4774)]