20391024

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{24989}}^1$

素因数の和:25017

約数の個数: 40

約数和(自身を含む): 55777680

約数和(自身を除く): 35386656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 24989, 49978, 74967, 99956, 149934, 199912, 299868, 399824, 424813, 599736, 849626, 1199472, 1274439, 1699252, 2548878, 3398504, 5097756, 6797008, 10195512, 20391024]

約数ペア:

[(1, 20391024), (2, 10195512), (3, 6797008), (4, 5097756), (6, 3398504), (8, 2548878), (12, 1699252), (16, 1274439), (17, 1199472), (24, 849626), (34, 599736), (48, 424813), (51, 399824), (68, 299868), (102, 199912), (136, 149934), (204, 99956), (272, 74967), (408, 49978), (816, 24989)]