20406488

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{87959}}^1$

素因数の和:87994

約数の個数: 16

約数和(自身を含む): 39582000

約数和(自身を除く): 19175512

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 87959, 175918, 351836, 703672, 2550811, 5101622, 10203244, 20406488]

約数ペア:

[(1, 20406488), (2, 10203244), (4, 5101622), (8, 2550811), (29, 703672), (58, 351836), (116, 175918), (232, 87959)]