20958632

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36899}}^1$

素因数の和:36976

約数の個数: 16

約数和(自身を含む): 39852000

約数和(自身を除く): 18893368

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36899, 73798, 147596, 295192, 2619829, 5239658, 10479316, 20958632]

約数ペア:

[(1, 20958632), (2, 10479316), (4, 5239658), (8, 2619829), (71, 295192), (142, 147596), (284, 73798), (568, 36899)]