20542004

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10333}}^1$

素因数の和:10415

約数の個数: 24

約数和(自身を含む): 41666688

約数和(自身を除く): 21124684

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10333, 20666, 41332, 72331, 144662, 289324, 733643, 1467286, 2934572, 5135501, 10271002, 20542004]

約数ペア:

[(1, 20542004), (2, 10271002), (4, 5135501), (7, 2934572), (14, 1467286), (28, 733643), (71, 289324), (142, 144662), (284, 72331), (497, 41332), (994, 20666), (1988, 10333)]