20175.00000000

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6653}}^1$

素因数の和:6980

約数の個数: 32

約数和(自身を含む): 152349984

約数和(自身を除く): 89079954

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 317, 634, 951, 1585, 1902, 3170, 4755, 6653, 9510, 13306, 19959, 33265, 39918, 66530, 99795, 199590, 2109001, 4218002, 6327003, 10545005, 12654006, 21090010, 31635015, 63270030]

約数ペア:

[(1, 63270030), (2, 31635015), (3, 21090010), (5, 12654006), (6, 10545005), (10, 6327003), (15, 4218002), (30, 2109001), (317, 199590), (634, 99795), (951, 66530), (1585, 39918), (1902, 33265), (3170, 19959), (4755, 13306), (6653, 9510)]