20740066

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13225502

約数列:

[1, 2, 23, 46, 47, 53, 94, 106, 181, 362, 1081, 1219, 2162, 2438, 2491, 4163, 4982, 8326, 8507, 9593, 17014, 19186, 57293, 114586, 195661, 220639, 391322, 441278, 450871, 901742, 10370033, 20740066]

約数ペア:

[(1, 20740066), (2, 10370033), (23, 901742), (46, 450871), (47, 441278), (53, 391322), (94, 220639), (106, 195661), (181, 114586), (362, 57293), (1081, 19186), (1219, 17014), (2162, 9593), (2438, 8507), (2491, 8326), (4163, 4982)]