20891584

素因数分解:

$2^6\times 7^1\times {\mathrm{46633}}^1$

素因数の和:46652

約数の個数: 28

約数和(自身を含む): 47380144

約数和(自身を除く): 26488560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 46633, 93266, 186532, 326431, 373064, 652862, 746128, 1305724, 1492256, 2611448, 2984512, 5222896, 10445792, 20891584]

約数ペア:

[(1, 20891584), (2, 10445792), (4, 5222896), (7, 2984512), (8, 2611448), (14, 1492256), (16, 1305724), (28, 746128), (32, 652862), (56, 373064), (64, 326431), (112, 186532), (224, 93266), (448, 46633)]