20353408

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8369}}^1$

素因数の和:8402

約数の個数: 32

約数和(自身を含む): 42687000

約数和(自身を除く): 22333592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8369, 16738, 33476, 66952, 133904, 159011, 267808, 318022, 535616, 636044, 1071232, 1272088, 2544176, 5088352, 10176704, 20353408]

約数ペア:

[(1, 20353408), (2, 10176704), (4, 5088352), (8, 2544176), (16, 1272088), (19, 1071232), (32, 636044), (38, 535616), (64, 318022), (76, 267808), (128, 159011), (152, 133904), (304, 66952), (608, 33476), (1216, 16738), (2432, 8369)]