20078716

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19381}}^1$

素因数の和:19429

約数の個数: 24

約数和(自身を含む): 41244896

約数和(自身を除く): 21166180

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19381, 38762, 77524, 135667, 271334, 542668, 717097, 1434194, 2868388, 5019679, 10039358, 20078716]

約数ペア:

[(1, 20078716), (2, 10039358), (4, 5019679), (7, 2868388), (14, 1434194), (28, 717097), (37, 542668), (74, 271334), (148, 135667), (259, 77524), (518, 38762), (1036, 19381)]