20569444

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12043}}^1$

素因数の和:12115

約数の個数: 24

約数和(自身を含む): 41816768

約数和(自身を除く): 21247324

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12043, 24086, 48172, 84301, 168602, 337204, 734623, 1469246, 2938492, 5142361, 10284722, 20569444]

約数ペア:

[(1, 20569444), (2, 10284722), (4, 5142361), (7, 2938492), (14, 1469246), (28, 734623), (61, 337204), (122, 168602), (244, 84301), (427, 48172), (854, 24086), (1708, 12043)]