20413450

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3613}}^1$

素因数の和:3738

約数の個数: 24

約数和(自身を含む): 38315628

約数和(自身を除く): 17902178

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3613, 5650, 7226, 18065, 36130, 90325, 180650, 408269, 816538, 2041345, 4082690, 10206725, 20413450]

約数ペア:

[(1, 20413450), (2, 10206725), (5, 4082690), (10, 2041345), (25, 816538), (50, 408269), (113, 180650), (226, 90325), (565, 36130), (1130, 18065), (2825, 7226), (3613, 5650)]