20962315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 29154816

約数和(自身を除く): 8192501

約数列:

[1, 5, 11, 23, 55, 73, 115, 227, 253, 365, 803, 1135, 1265, 1679, 2497, 4015, 5221, 8395, 12485, 16571, 18469, 26105, 57431, 82855, 92345, 182281, 287155, 381133, 911405, 1905665, 4192463, 20962315]

約数ペア:

[(1, 20962315), (5, 4192463), (11, 1905665), (23, 911405), (55, 381133), (73, 287155), (115, 182281), (227, 92345), (253, 82855), (365, 57431), (803, 26105), (1135, 18469), (1265, 16571), (1679, 12485), (2497, 8395), (4015, 5221)]