20374004

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5471}}^1$

素因数の和:5508

約数の個数: 36

約数和(自身を含む): 43666560

約数和(自身を除く): 23292556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 5471, 10942, 21884, 38297, 76594, 103949, 153188, 207898, 268079, 415796, 536158, 727643, 1072316, 1455286, 2910572, 5093501, 10187002, 20374004]

約数ペア:

[(1, 20374004), (2, 10187002), (4, 5093501), (7, 2910572), (14, 1455286), (19, 1072316), (28, 727643), (38, 536158), (49, 415796), (76, 268079), (98, 207898), (133, 153188), (196, 103949), (266, 76594), (532, 38297), (931, 21884), (1862, 10942), (3724, 5471)]