20559315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1901}}^1$

素因数の和:2019

約数の個数: 32

約数和(自身を含む): 37979136

約数和(自身を除く): 17419821

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 309, 515, 721, 1545, 1901, 2163, 3605, 5703, 9505, 10815, 13307, 28515, 39921, 66535, 195803, 199605, 587409, 979015, 1370621, 2937045, 4111863, 6853105, 20559315]

約数ペア:

[(1, 20559315), (3, 6853105), (5, 4111863), (7, 2937045), (15, 1370621), (21, 979015), (35, 587409), (103, 199605), (105, 195803), (309, 66535), (515, 39921), (721, 28515), (1545, 13307), (1901, 10815), (2163, 9505), (3605, 5703)]