20563664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3769}}^1$

素因数の和:3819

約数の個数: 40

約数和(自身を含む): 44878080

約数和(自身を除く): 24314416

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3769, 5456, 7538, 15076, 30152, 41459, 60304, 82918, 116839, 165836, 233678, 331672, 467356, 663344, 934712, 1285229, 1869424, 2570458, 5140916, 10281832, 20563664]

約数ペア:

[(1, 20563664), (2, 10281832), (4, 5140916), (8, 2570458), (11, 1869424), (16, 1285229), (22, 934712), (31, 663344), (44, 467356), (62, 331672), (88, 233678), (124, 165836), (176, 116839), (248, 82918), (341, 60304), (496, 41459), (682, 30152), (1364, 15076), (2728, 7538), (3769, 5456)]