20413638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8527}}^1$

素因数の和:8561

約数の個数: 48

約数和(自身を含む): 53214720

約数和(自身を除く): 32801082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 8527, 17054, 25581, 51162, 59689, 76743, 119378, 153486, 162013, 179067, 324026, 358134, 486039, 537201, 972078, 1074402, 1134091, 1458117, 2268182, 2916234, 3402273, 6804546, 10206819, 20413638]

約数ペア:

[(1, 20413638), (2, 10206819), (3, 6804546), (6, 3402273), (7, 2916234), (9, 2268182), (14, 1458117), (18, 1134091), (19, 1074402), (21, 972078), (38, 537201), (42, 486039), (57, 358134), (63, 324026), (114, 179067), (126, 162013), (133, 153486), (171, 119378), (266, 76743), (342, 59689), (399, 51162), (798, 25581), (1197, 17054), (2394, 8527)]