20806128

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20641}}^1$

素因数の和:20662

約数の個数: 60

約数和(自身を含む): 66549808

約数和(自身を除く): 45743680

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20641, 41282, 61923, 82564, 123846, 144487, 165128, 185769, 247692, 288974, 330256, 371538, 433461, 495384, 577948, 743076, 866922, 990768, 1155896, 1300383, 1486152, 1733844, 2311792, 2600766, 2972304, 3467688, 5201532, 6935376, 10403064, 20806128]

約数ペア:

[(1, 20806128), (2, 10403064), (3, 6935376), (4, 5201532), (6, 3467688), (7, 2972304), (8, 2600766), (9, 2311792), (12, 1733844), (14, 1486152), (16, 1300383), (18, 1155896), (21, 990768), (24, 866922), (28, 743076), (36, 577948), (42, 495384), (48, 433461), (56, 371538), (63, 330256), (72, 288974), (84, 247692), (112, 185769), (126, 165128), (144, 144487), (168, 123846), (252, 82564), (336, 61923), (504, 41282), (1008, 20641)]