20164537672

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{6971}}^1\times {\mathrm{8819}}^1$

素因数の和:15837

約数の個数: 32

約数和(自身を含む): 38740615200

約数和(自身を除く): 18576077528

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 6971, 8819, 13942, 17638, 27884, 35276, 55768, 70552, 285811, 361579, 571622, 723158, 1143244, 1446316, 2286488, 2892632, 61477249, 122954498, 245908996, 491817992, 2520567209, 5041134418, 10082268836, 20164537672]

約数ペア:

[(1, 20164537672), (2, 10082268836), (4, 5041134418), (8, 2520567209), (41, 491817992), (82, 245908996), (164, 122954498), (328, 61477249), (6971, 2892632), (8819, 2286488), (13942, 1446316), (17638, 1143244), (27884, 723158), (35276, 571622), (55768, 361579), (70552, 285811)]