20803442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36175680

約数和(自身を除く): 15372238

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 314, 317, 418, 634, 1727, 2983, 3454, 3487, 5966, 6023, 6974, 12046, 32813, 49769, 65626, 66253, 99538, 132506, 547459, 945611, 1094918, 1891222, 10401721, 20803442]

約数ペア:

[(1, 20803442), (2, 10401721), (11, 1891222), (19, 1094918), (22, 945611), (38, 547459), (157, 132506), (209, 99538), (314, 66253), (317, 65626), (418, 49769), (634, 32813), (1727, 12046), (2983, 6974), (3454, 6023), (3487, 5966)]