20313946.000000000

素因数分解:

$2^4\times 7^2\times {\mathrm{136471}}^1$

素因数の和:136493

約数の個数: 30

約数和(自身を含む): 241146024

約数和(自身を除く): 134152760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 136471, 272942, 545884, 955297, 1091768, 1910594, 2183536, 3821188, 6687079, 7642376, 13374158, 15284752, 26748316, 53496632, 106993264]

約数ペア:

[(1, 106993264), (2, 53496632), (4, 26748316), (7, 15284752), (8, 13374158), (14, 7642376), (16, 6687079), (28, 3821188), (49, 2183536), (56, 1910594), (98, 1091768), (112, 955297), (196, 545884), (392, 272942), (784, 136471)]