20043405

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2837}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 34975512

約数和(自身を除く): 14932107

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 2837, 7065, 8511, 14185, 25533, 42555, 127665, 445409, 1336227, 2227045, 4008681, 6681135, 20043405]

約数ペア:

[(1, 20043405), (3, 6681135), (5, 4008681), (9, 2227045), (15, 1336227), (45, 445409), (157, 127665), (471, 42555), (785, 25533), (1413, 14185), (2355, 8511), (2837, 7065)]