20795860

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2593}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 43797096

約数和(自身を除く): 23001236

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2593, 4010, 5186, 8020, 10372, 12965, 25930, 51860, 1039793, 2079586, 4159172, 5198965, 10397930, 20795860]

約数ペア:

[(1, 20795860), (2, 10397930), (4, 5198965), (5, 4159172), (10, 2079586), (20, 1039793), (401, 51860), (802, 25930), (1604, 12965), (2005, 10372), (2593, 8020), (4010, 5186)]