20565292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 20803028

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 71, 116, 142, 227, 284, 319, 454, 638, 781, 908, 1276, 1562, 2059, 2497, 3124, 4118, 4994, 6583, 8236, 9988, 13166, 16117, 22649, 26332, 32234, 45298, 64468, 72413, 90596, 144826, 177287, 289652, 354574, 467393, 709148, 934786, 1869572, 5141323, 10282646, 20565292]

約数ペア:

[(1, 20565292), (2, 10282646), (4, 5141323), (11, 1869572), (22, 934786), (29, 709148), (44, 467393), (58, 354574), (71, 289652), (116, 177287), (142, 144826), (227, 90596), (284, 72413), (319, 64468), (454, 45298), (638, 32234), (781, 26332), (908, 22649), (1276, 16117), (1562, 13166), (2059, 9988), (2497, 8236), (3124, 6583), (4118, 4994)]