20644792

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19403}}^1$

素因数の和:19435

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25924808

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19403, 38806, 77612, 135821, 155224, 271642, 368657, 543284, 737314, 1086568, 1474628, 2580599, 2949256, 5161198, 10322396, 20644792]

約数ペア:

[(1, 20644792), (2, 10322396), (4, 5161198), (7, 2949256), (8, 2580599), (14, 1474628), (19, 1086568), (28, 737314), (38, 543284), (56, 368657), (76, 271642), (133, 155224), (152, 135821), (266, 77612), (532, 38806), (1064, 19403)]