20667105

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7529}}^1$

素因数の和:7601

約数の個数: 24

約数和(自身を含む): 36415080

約数和(自身を除く): 15747975

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 7529, 22587, 37645, 67761, 112935, 338805, 459269, 1377807, 2296345, 4133421, 6889035, 20667105]

約数ペア:

[(1, 20667105), (3, 6889035), (5, 4133421), (9, 2296345), (15, 1377807), (45, 459269), (61, 338805), (183, 112935), (305, 67761), (549, 37645), (915, 22587), (2745, 7529)]