20548766

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 37666560

約数和(自身を除く): 17117794

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 266, 469, 938, 1153, 1273, 2306, 2546, 8071, 8911, 16142, 17822, 21907, 43814, 77251, 153349, 154502, 306698, 540757, 1081514, 1467769, 2935538, 10274383, 20548766]

約数ペア:

[(1, 20548766), (2, 10274383), (7, 2935538), (14, 1467769), (19, 1081514), (38, 540757), (67, 306698), (133, 154502), (134, 153349), (266, 77251), (469, 43814), (938, 21907), (1153, 17822), (1273, 16142), (2306, 8911), (2546, 8071)]