20358855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3739}}^1$

素因数の和:3772

約数の個数: 36

約数和(自身を含む): 38798760

約数和(自身を除く): 18439905

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 495, 605, 1089, 1815, 3739, 5445, 11217, 18695, 33651, 41129, 56085, 123387, 168255, 205645, 370161, 452419, 616935, 1357257, 1850805, 2262095, 4071771, 6786285, 20358855]

約数ペア:

[(1, 20358855), (3, 6786285), (5, 4071771), (9, 2262095), (11, 1850805), (15, 1357257), (33, 616935), (45, 452419), (55, 370161), (99, 205645), (121, 168255), (165, 123387), (363, 56085), (495, 41129), (605, 33651), (1089, 18695), (1815, 11217), (3739, 5445)]