20290496

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 42178224

約数和(自身を除く): 21887728

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 101, 146, 172, 202, 292, 344, 404, 584, 688, 808, 1168, 1376, 1616, 2336, 2752, 3139, 3232, 4343, 4672, 6278, 6464, 7373, 8686, 12556, 14746, 17372, 25112, 29492, 34744, 50224, 58984, 69488, 100448, 117968, 138976, 200896, 235936, 277952, 317039, 471872, 634078, 1268156, 2536312, 5072624, 10145248, 20290496]

約数ペア:

[(1, 20290496), (2, 10145248), (4, 5072624), (8, 2536312), (16, 1268156), (32, 634078), (43, 471872), (64, 317039), (73, 277952), (86, 235936), (101, 200896), (146, 138976), (172, 117968), (202, 100448), (292, 69488), (344, 58984), (404, 50224), (584, 34744), (688, 29492), (808, 25112), (1168, 17372), (1376, 14746), (1616, 12556), (2336, 8686), (2752, 7373), (3139, 6464), (3232, 6278), (4343, 4672)]