20794820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12527}}^1$

素因数の和:12619

約数の個数: 24

約数和(自身を含む): 44198784

約数和(自身を除く): 23403964

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 12527, 25054, 50108, 62635, 125270, 250540, 1039741, 2079482, 4158964, 5198705, 10397410, 20794820]

約数ペア:

[(1, 20794820), (2, 10397410), (4, 5198705), (5, 4158964), (10, 2079482), (20, 1039741), (83, 250540), (166, 125270), (332, 62635), (415, 50108), (830, 25054), (1660, 12527)]