20142275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 26237904

約数和(自身を除く): 6095629

約数列:

[1, 5, 25, 41, 43, 205, 215, 457, 1025, 1075, 1763, 2285, 8815, 11425, 18737, 19651, 44075, 93685, 98255, 468425, 491275, 805691, 4028455, 20142275]

約数ペア:

[(1, 20142275), (5, 4028455), (25, 805691), (41, 491275), (43, 468425), (205, 98255), (215, 93685), (457, 44075), (1025, 19651), (1075, 18737), (1763, 11425), (2285, 8815)]