20021453571

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1809113}}^1$

素因数の和:1809171

約数の個数: 32

約数和(自身を含む): 33345589248

約数和(自身を除く): 13324135677

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 3689, 11067, 1809113, 5427339, 12663791, 30754921, 37991373, 56082503, 92264763, 168247509, 215284447, 392577521, 645853341, 953402551, 1177732563, 2860207653, 6673817857, 20021453571]

約数ペア:

[(1, 20021453571), (3, 6673817857), (7, 2860207653), (17, 1177732563), (21, 953402551), (31, 645853341), (51, 392577521), (93, 215284447), (119, 168247509), (217, 92264763), (357, 56082503), (527, 37991373), (651, 30754921), (1581, 12663791), (3689, 5427339), (11067, 1809113)]