20682766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 35094528

約数和(自身を除く): 14411762

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 383, 403, 766, 806, 871, 1742, 2077, 4154, 4979, 9958, 11873, 23746, 25661, 27001, 51322, 54002, 154349, 308698, 333593, 667186, 795491, 1590982, 10341383, 20682766]

約数ペア:

[(1, 20682766), (2, 10341383), (13, 1590982), (26, 795491), (31, 667186), (62, 333593), (67, 308698), (134, 154349), (383, 54002), (403, 51322), (766, 27001), (806, 25661), (871, 23746), (1742, 11873), (2077, 9958), (4154, 4979)]