20409712

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9311}}^1$

素因数の和:9456

約数の個数: 20

約数和(自身を含む): 39836736

約数和(自身を除く): 19427024

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9311, 18622, 37244, 74488, 148976, 1275607, 2551214, 5102428, 10204856, 20409712]

約数ペア:

[(1, 20409712), (2, 10204856), (4, 5102428), (8, 2551214), (16, 1275607), (137, 148976), (274, 74488), (548, 37244), (1096, 18622), (2192, 9311)]