20108385

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1231}}^1$

素因数の和:1267

約数の個数: 48

約数和(自身を含む): 39325440

約数和(自身を除く): 19217055

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1231, 1485, 1815, 3267, 3693, 5445, 6155, 11079, 13541, 16335, 18465, 33237, 40623, 55395, 67705, 121869, 148951, 166185, 203115, 365607, 446853, 609345, 744755, 1340559, 1828035, 2234265, 4021677, 6702795, 20108385]

約数ペア:

[(1, 20108385), (3, 6702795), (5, 4021677), (9, 2234265), (11, 1828035), (15, 1340559), (27, 744755), (33, 609345), (45, 446853), (55, 365607), (99, 203115), (121, 166185), (135, 148951), (165, 121869), (297, 67705), (363, 55395), (495, 40623), (605, 33237), (1089, 18465), (1231, 16335), (1485, 13541), (1815, 11079), (3267, 6155), (3693, 5445)]