20714360

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4751}}^1$

素因数の和:4871

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 26330440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4751, 9502, 19004, 23755, 38008, 47510, 95020, 190040, 517859, 1035718, 2071436, 2589295, 4142872, 5178590, 10357180, 20714360]

約数ペア:

[(1, 20714360), (2, 10357180), (4, 5178590), (5, 4142872), (8, 2589295), (10, 2071436), (20, 1035718), (40, 517859), (109, 190040), (218, 95020), (436, 47510), (545, 38008), (872, 23755), (1090, 19004), (2180, 9502), (4360, 4751)]