20528821436

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^2\times {\mathrm{22397}}^1$

素因数の和:22590

約数の個数: 36

約数和(自身を含む): 37273049352

約数和(自身を除く): 16744227916

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 3139, 5329, 6278, 10658, 12556, 21316, 22397, 44794, 89588, 229147, 458294, 916588, 963071, 1634981, 1926142, 3269962, 3852284, 6539924, 70304183, 119353613, 140608366, 238707226, 281216732, 477414452, 5132205359, 10264410718, 20528821436]

約数ペア:

[(1, 20528821436), (2, 10264410718), (4, 5132205359), (43, 477414452), (73, 281216732), (86, 238707226), (146, 140608366), (172, 119353613), (292, 70304183), (3139, 6539924), (5329, 3852284), (6278, 3269962), (10658, 1926142), (12556, 1634981), (21316, 963071), (22397, 916588), (44794, 458294), (89588, 229147)]