20752785

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20051}}^1$

素因数の和:20085

約数の個数: 24

約数和(自身を含む): 37537344

約数和(自身を除く): 16784559

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 20051, 60153, 100255, 180459, 300765, 461173, 902295, 1383519, 2305865, 4150557, 6917595, 20752785]

約数ペア:

[(1, 20752785), (3, 6917595), (5, 4150557), (9, 2305865), (15, 1383519), (23, 902295), (45, 461173), (69, 300765), (115, 180459), (207, 100255), (345, 60153), (1035, 20051)]