20499976

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6907}}^1$

素因数の和:6973

約数の個数: 32

約数和(自身を含む): 44763840

約数和(自身を除く): 24263864

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6907, 13814, 27628, 48349, 55256, 96698, 193396, 366071, 386792, 732142, 1464284, 2562497, 2928568, 5124994, 10249988, 20499976]

約数ペア:

[(1, 20499976), (2, 10249988), (4, 5124994), (7, 2928568), (8, 2562497), (14, 1464284), (28, 732142), (53, 386792), (56, 366071), (106, 193396), (212, 96698), (371, 55256), (424, 48349), (742, 27628), (1484, 13814), (2968, 6907)]