20203755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9419}}^1$

素因数の和:9451

約数の個数: 32

約数和(自身を含む): 37981440

約数和(自身を除く): 17777685

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 9419, 28257, 47095, 103609, 122447, 141285, 310827, 367341, 518045, 612235, 1346917, 1554135, 1836705, 4040751, 6734585, 20203755]

約数ペア:

[(1, 20203755), (3, 6734585), (5, 4040751), (11, 1836705), (13, 1554135), (15, 1346917), (33, 612235), (39, 518045), (55, 367341), (65, 310827), (143, 141285), (165, 122447), (195, 103609), (429, 47095), (715, 28257), (2145, 9419)]