20067275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 26114400

約数和(自身を除く): 6047125

約数列:

[1, 5, 25, 29, 89, 145, 311, 445, 725, 1555, 2225, 2581, 7775, 9019, 12905, 27679, 45095, 64525, 138395, 225475, 691975, 802691, 4013455, 20067275]

約数ペア:

[(1, 20067275), (5, 4013455), (25, 802691), (29, 691975), (89, 225475), (145, 138395), (311, 64525), (445, 45095), (725, 27679), (1555, 12905), (2225, 9019), (2581, 7775)]