20819172

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157721}}^1$

素因数の和:157739

約数の個数: 24

約数和(自身を含む): 52994592

約数和(自身を除く): 32175420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157721, 315442, 473163, 630884, 946326, 1734931, 1892652, 3469862, 5204793, 6939724, 10409586, 20819172]

約数ペア:

[(1, 20819172), (2, 10409586), (3, 6939724), (4, 5204793), (6, 3469862), (11, 1892652), (12, 1734931), (22, 946326), (33, 630884), (44, 473163), (66, 315442), (132, 157721)]