20921572162

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{2753}}^1\times {\mathrm{64403}}^1$

素因数の和:67217

約数の個数: 16

約数和(自身を含む): 31926350880

約数和(自身を除く): 11004778718

約数列:

[1, 2, 59, 118, 2753, 5506, 64403, 128806, 162427, 324854, 3799777, 7599554, 177301459, 354602918, 10460786081, 20921572162]

約数ペア:

[(1, 20921572162), (2, 10460786081), (59, 354602918), (118, 177301459), (2753, 7599554), (5506, 3799777), (64403, 324854), (128806, 162427)]