20590815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4839

約数の個数: 32

約数和(自身を含む): 38578176

約数和(自身を除く): 17987361

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 4783, 14349, 23915, 33481, 71745, 100443, 167405, 196103, 502215, 588309, 980515, 1372721, 2941545, 4118163, 6863605, 20590815]

約数ペア:

[(1, 20590815), (3, 6863605), (5, 4118163), (7, 2941545), (15, 1372721), (21, 980515), (35, 588309), (41, 502215), (105, 196103), (123, 167405), (205, 100443), (287, 71745), (615, 33481), (861, 23915), (1435, 14349), (4305, 4783)]