20172503540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{574061}}^1$

素因数の和:574328

約数の個数: 48

約数和(自身を含む): 48606977664

約数和(自身を除く): 28434474124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1757, 2510, 3514, 5020, 7028, 8785, 17570, 35140, 574061, 1148122, 2296244, 2870305, 4018427, 5740610, 8036854, 11481220, 16073708, 20092135, 40184270, 80368540, 144089311, 288178622, 576357244, 720446555, 1008625177, 1440893110, 2017250354, 2881786220, 4034500708, 5043125885, 10086251770, 20172503540]

約数ペア:

[(1, 20172503540), (2, 10086251770), (4, 5043125885), (5, 4034500708), (7, 2881786220), (10, 2017250354), (14, 1440893110), (20, 1008625177), (28, 720446555), (35, 576357244), (70, 288178622), (140, 144089311), (251, 80368540), (502, 40184270), (1004, 20092135), (1255, 16073708), (1757, 11481220), (2510, 8036854), (3514, 5740610), (5020, 4018427), (7028, 2870305), (8785, 2296244), (17570, 1148122), (35140, 574061)]