20179172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1381}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 38192952

約数和(自身を除く): 18013780

約数列:

[1, 2, 4, 13, 26, 52, 281, 562, 1124, 1381, 2762, 3653, 5524, 7306, 14612, 17953, 35906, 71812, 388061, 776122, 1552244, 5044793, 10089586, 20179172]

約数ペア:

[(1, 20179172), (2, 10089586), (4, 5044793), (13, 1552244), (26, 776122), (52, 388061), (281, 71812), (562, 35906), (1124, 17953), (1381, 14612), (2762, 7306), (3653, 5524)]