20425984

素因数分解:

$2^8\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1182

約数の個数: 36

約数和(自身を含む): 41368516

約数和(自身を除く): 20942532

約数列:

[1, 2, 4, 8, 16, 32, 64, 73, 128, 146, 256, 292, 584, 1093, 1168, 2186, 2336, 4372, 4672, 8744, 9344, 17488, 18688, 34976, 69952, 79789, 139904, 159578, 279808, 319156, 638312, 1276624, 2553248, 5106496, 10212992, 20425984]

約数ペア:

[(1, 20425984), (2, 10212992), (4, 5106496), (8, 2553248), (16, 1276624), (32, 638312), (64, 319156), (73, 279808), (128, 159578), (146, 139904), (256, 79789), (292, 69952), (584, 34976), (1093, 18688), (1168, 17488), (2186, 9344), (2336, 8744), (4372, 4672)]