20216218864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{107323}}^1$

素因数の和:107585

約数の個数: 40

約数和(自身を含む): 40017685232

約数和(自身を除く): 19801466368

約数列:

[1, 2, 4, 8, 16, 61, 122, 193, 244, 386, 488, 772, 976, 1544, 3088, 11773, 23546, 47092, 94184, 107323, 188368, 214646, 429292, 858584, 1717168, 6546703, 13093406, 20713339, 26186812, 41426678, 52373624, 82853356, 104747248, 165706712, 331413424, 1263513679, 2527027358, 5054054716, 10108109432, 20216218864]

約数ペア:

[(1, 20216218864), (2, 10108109432), (4, 5054054716), (8, 2527027358), (16, 1263513679), (61, 331413424), (122, 165706712), (193, 104747248), (244, 82853356), (386, 52373624), (488, 41426678), (772, 26186812), (976, 20713339), (1544, 13093406), (3088, 6546703), (11773, 1717168), (23546, 858584), (47092, 429292), (94184, 214646), (107323, 188368)]