19952475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15649}}^1$

素因数の和:15679

約数の個数: 24

約数和(自身を含む): 34930800

約数和(自身を除く): 14978325

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 15649, 46947, 78245, 234735, 266033, 391225, 798099, 1173675, 1330165, 3990495, 6650825, 19952475]

約数ペア:

[(1, 19952475), (3, 6650825), (5, 3990495), (15, 1330165), (17, 1173675), (25, 798099), (51, 391225), (75, 266033), (85, 234735), (255, 78245), (425, 46947), (1275, 15649)]