20551616

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{16901}}^1$

素因数の和:16932

約数の個数: 28

約数和(自身を含む): 42931080

約数和(自身を除く): 22379464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 16901, 33802, 67604, 135208, 270416, 321119, 540832, 642238, 1081664, 1284476, 2568952, 5137904, 10275808, 20551616]

約数ペア:

[(1, 20551616), (2, 10275808), (4, 5137904), (8, 2568952), (16, 1284476), (19, 1081664), (32, 642238), (38, 540832), (64, 321119), (76, 270416), (152, 135208), (304, 67604), (608, 33802), (1216, 16901)]