20466912

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12541}}^1$

素因数の和:12571

約数の個数: 48

約数和(自身を含む): 56890512

約数和(自身を除く): 36423600

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12541, 25082, 37623, 50164, 75246, 100328, 150492, 200656, 213197, 300984, 401312, 426394, 601968, 639591, 852788, 1203936, 1279182, 1705576, 2558364, 3411152, 5116728, 6822304, 10233456, 20466912]

約数ペア:

[(1, 20466912), (2, 10233456), (3, 6822304), (4, 5116728), (6, 3411152), (8, 2558364), (12, 1705576), (16, 1279182), (17, 1203936), (24, 852788), (32, 639591), (34, 601968), (48, 426394), (51, 401312), (68, 300984), (96, 213197), (102, 200656), (136, 150492), (204, 100328), (272, 75246), (408, 50164), (544, 37623), (816, 25082), (1632, 12541)]