20025124

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1528

約数の個数: 36

約数和(自身を含む): 41368320

約数和(自身を除く): 21343196

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1439, 1988, 2878, 3479, 5756, 6958, 10073, 13916, 20146, 40292, 70511, 102169, 141022, 204338, 282044, 408676, 715183, 1430366, 2860732, 5006281, 10012562, 20025124]

約数ペア:

[(1, 20025124), (2, 10012562), (4, 5006281), (7, 2860732), (14, 1430366), (28, 715183), (49, 408676), (71, 282044), (98, 204338), (142, 141022), (196, 102169), (284, 70511), (497, 40292), (994, 20146), (1439, 13916), (1988, 10073), (2878, 6958), (3479, 5756)]