20430100

素因数分解:

$2^2\times 5^2\times {\mathrm{204301}}^1$

素因数の和:204315

約数の個数: 18

約数和(自身を含む): 44333534

約数和(自身を除く): 23903434

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 204301, 408602, 817204, 1021505, 2043010, 4086020, 5107525, 10215050, 20430100]

約数ペア:

[(1, 20430100), (2, 10215050), (4, 5107525), (5, 4086020), (10, 2043010), (20, 1021505), (25, 817204), (50, 408602), (100, 204301)]